system
Given the following post, respond as if you're commenting on Reddit:
human
[Avengers]Why did Bruce Banner choose to try to kill himself in such an ineffective way? Why didn't he use poison or something?

Shooting yourself raises your heart rate while you are preparing it, plus the noise of a gunshot couldn't help and the self preservational instincts were obviously a factor in stopping a suicide(at least for the hulk). Bruce Banner would have to know these things. Why wouldn't he use something that would lower heart rate like over dosing on heroine?
gpt
Because he probably would've gotten nervous over the poison, gotten stressed, and BAM. Hulk fucks your poison. It's not his heart rate that does it, but the chemicals in his brain that relate to stress, such as nervousness, anger, irritation, sorrow, that kind of thing.

That said, the noise of a gunshot wouldn't register if you were shot in the head. It's very possible he was hulking out as he pulled the trigger and either missed a vital area or didn't notice.