Favorite Answer

This happens all the time, and I always wonder the same thing. I've never gone as far as to tell anyone of my secret fear that, one day, they will all return together and beat the hell outta me. Nor have I ever mentioned the inner sigh of relief I breath after I find one I missed before. However, from a perspective that you aren't me, and my logic isn't clouded by any bias concerned for your personal well-being, I can say with some confidence that spiders probably can't tell the difference between one human and another, if they can even tell the difference between humans and, say, a sack of moving potatoes.

However, deep inside their spidery heart may indeed lye a speck of regret. Not so much regret that they'll never find who was responsible for their almost death, nor why it almost happened. More so regret that you missed. For the fact that they are completely incapable of assuring any kind of revenge must deliver a crushing sense of inadequacy. Slowly but indefinitely, the spider will soon realize that it's only achievement in avoiding you is to live a bit longer in eternal fear, with the reward of success being nothing more than starving to death, alone in a corner, in a world not meant for them.

In other words, you may have failed to crush the spider's body, you've most likely crushed it's soul. Which means that it has much more important emotional problems to sort out before it will even feel like biting you.