The reason is that this problem is data-dependent; it'll lurk in the code until it spots just the pattern of data it wants, and then leap out and bite me (I tend to take bugs personally!).
Two seconds later, it barked at me and tried to bite me.
It has teeth, but it wouldn't bite me.
Will not climb on the bed to bite me?
Even a dog doesn't want to bite me.
Using this information, the amygdala appraises a situation - I think this charging dog wants to bite me - and triggers a response by radiating nerve signals throughout the body.
I'm not too fond about snakes but I try not to bite them. It's the other way usually they bite me.