Johanna and Finnick seem to have a close bond. IT is unknown how they know each other. They may have just been friends, as most victors tend to make friends with other victors.
Johanna and Finnick were friends prior to the 75th Hunger Games, most likely having formed a bond during previous Hunger Games where they were mentors. They were allies during the 75th Hunger Games, along with Wiress, Beetee, Katniss, and Peeta.
Chia Mags kisses Finnick on the mouth to briefly let him know that this is the last time she will see him. It's her way of saying "Goodbye" but in a more affectionate way.
The Life of Finnick Odair: Hunger Games Explained (From the Books)
Does Johanna actually hate Katniss?
In the case of Johanna, they each hated each other because that was what the Capitol had taught them to do. They were from competing Districts, and the idea of the Games was to keep the lesser citizens of Panem distrustful of one another and unwilling to form alliances (or raise arms in war).
Johanna remains in the Capitol for quite a while, and she and Peeta are tortured for information concerning District 13 and the mockingjay rebellion. While in the Capitol, Johanna's entire head is shaved, making her bald. Johanna after she is rescued from the Capitol.
It was also insinuated that the lead heroine believed that Mags previously suffered from a stroke, which would have cleared up her limited communication. Some fans had theorized that PTSD could have been a factor when it came to Mags' lack of talking, or possibly just her old age.
The female Morphling, however, appears almost coincidentally, and Peeta even mentions that they don't know her real name. Given that she is willing to make the ultimate sacrifice to protect Peeta, it's safe to assume that the Morphling was committed to the rebel cause.
Realizing that they would be killed by the fog if they could not move faster, Mags kissed Finnick and courageously sacrificed herself by walking straight into the fog so Finnick, Katniss, and Peeta could live.
Johanna Mason developed an addiction to morphling while hospitalized in District 13 for the torture she endured in the Capitol. When she was weaned off, she instead dipped into Katniss's supply.
After winning the games, Snow forced Finnick into prostitution and sold his body to Capitol residents to gain their trust. Finnick only agreed to take part because Snow threatened to torture his loved ones. Even though he bedded several women throughout his time as a victor, Finnick's love for Annie remained true.
Later, the two learn President Snow considered their actions to be an act of rebellion against the Capitol. After their last interview, in which the two continue to affect their romantic feelings for one another, Peeta comes to the realization Katniss has staged her love for him all along.
After winning the games, Finnick was forced into prostitution by President Snow. He was blackmailed into going out with wealthy citizens of the Capitol for the safety of his loved ones, such as his District 4 sweetheart and fellow victor Annie Cresta (Stef Dawson).
Also, Mags was Finnick's mentor, and most likely helped mentor Annie. They would have all lived together in the District 4 Victors' Village. Much like how Katniss, Peeta, and Haymitch became family, it is probable Mags, Annie, and Finnick did as well, so Mags may have felt a maternal kinship towards the younger two.
Yes, Katniss did develop an addiction to the morphling, on account of constantly being sedated with it, however, I wouldn't say that she was an addict. An addict is someone who goes to a substance (or whatever their 'poison' may be) under their own mind.
Johanna asks what happened to Mags, and when Katniss tells her she says Mags was Finnick's mentor and half his family. She also explains that she saved Wiress and Beetee because Haymitch told her that if she and Katniss were going to be allies she had to save them for Katniss.
Finnick rushes to resuscitate him as he knows he needs Peeta alive to keep Katniss going. Another clue that he is in on the rebel plan comes when Katniss is about to kill him with her arrow, and he tells her, "remember who the real enemy is," which is something Haymitch said to her before the games.
Answer and Explanation: Mags, a surviving tribute from District 4 was the winner of the 11th hunger games. Although it isn't exactly known how Mags won the 11th hunger games Katniss believes that Mags fishnet and fishhook making skills could have helped her, Katniss noted she could make a fish hook out of anything.
As Katniss gets to know Finnick during the Quarter Quell, she sees he is in fact loyal, dutiful, and caring. For example, despite Mags being a burden on his chances of survival, Finnick does everything he can to keep the eighty-year-old alive because, as we learn, she was his mentor and he genuinely cares about her.
Seneca Crane was the previous Head Gamemaker, who was executed for allowing two victors. Katniss painted his name on a dummy and hanged it to warn them that they're not safe and the same thing could easily happen to them.
Cresta is spared participation when another survivor volunteers to take her place. But The Capitol abducts and tortures her when Katniss escapes the arena.
Peeta used the dyes to paint a picture of Rue after Katniss covered her with flowers when she died. He says he wants to hold them accountable for killing Rue, and Effie tells him that that kind of thinking is forbidden. Katniss then tells the team she hung a dummy of Seneca Crane.
While in hiding none of the other tributes could find her and there was an earthquake that caused floods in the arena. Since Annie was from district four where fishing is the primary work, she was an excellent swimmer which allowed her to survive the flood and the hunger games.
