'Damn, don't be so triggered'

[Azuren]

The guy clearly needed a friend, and thought your open-minded attitude could accommodate his humor and personality. Unfortunately for him, he misread you and you attacked him in a fashion that he probably felt was unjustified. Maybe instead of snapping, you could have simply let him know "Hey, I don't care for dark humor. If you really want to stay my friend, then don't share dark humor with me."