I am angry because if my bf (gay) let his friend (straight) sit on his lap?

[Rareboy]

Snap the fuck out of it.

Jealousy is the best way to destroy a relationship.

[meridannight]

what if he had a hard on ? my bf is gay so he could have a hard on

was either hard-on inside either one of them? no? then, yes, you are exaggerating.

you can't control when your partner gets erect and who/what to.