Haymitch wants Katniss to be herself, because she's bad at acting.
Haymitch said that he had made Katniss look desirable.
,,,m,
No, Katniss does not have a crush on Haymitch. Haymitch is her mentor in The Hunger Games, not a love interest. Katniss realizes how similar they are in Catching Fire, but that doesn't mean she has feelings for him.
Haymitch is Katniss and Peeta's mentor. He trains them for the Hunger Games.
Haymitch's second instruction for Peeta and Katniss are to find water.
Haymitch Abernathy.
He's always drunk.
He does.
Stay Alive
Idk
Because Haymitch can't sponsor Katniss, but only the people from the Capitol.. But Haymitch talked to some sponsors that same evening when Katniss got injured.
Marry Peeta. (This is a Catching Fire answer, not sure if what you were looking for.)