That Gale and her eat berries which Gale finds which are poisonous and he and Katniss early eat them and get killed. Or, when Gale tries to persuade Katniss to kill him at the end of the hunger games when the say there is a rule change and can only be one winner. Or, when Gale asks Katniss for a kiss when they are in hiding in a small cave.
~Hope this helps! Xo