I think of what would happen if I suddenly bit it off when I give guys bjs
No way. Why would you think something harmful like that?
I wonder what it would feel like if something unusual could happen
Sex should be a mutually agreeable situation, and if someone doesn't want to be hurt while in a vulnerable state, they should be protected by their partner. Take caution when dealing with someone you love.
I'm worried I might choke. But I can always use my teeth instead.
I get that hypotheticals and intrusive thoughts happen and can be really weird, but I believe it's important to not act on these sorts of things. You could really hurt them, don't you want to have a good relationship?