I've read people on here stating that tarantulas don't think or feel emotions and therefore you cannot create a bond with them. They say that if you handle it often and there is a decrease in aggressive tendencies then its just coincidence and they could snap at any moment. Anybody ever wonder why pink toes have pink toes? Well my hypothesis is that its more attractive to females and therefore its a favorable trait to have since it increases the probability of spreading your DNA. Spiders have lots of preferences, and sometimes are more particular when it comes to choosing a mate than some human females. Humans typically underestimate animal intelligence because of lack of evidence, but let me remind you that isn't grounds for conclusion. Like they just realized that elephants can paint pictures, horses can read emotions so well that they can predict answers, turtles will help each other out and flip a fellow right-side up, squirrels will drag a wounded squirrel out from the road. Animals are extremely smart and I think after time even your tarantula will start to become accustomed to you if you treat it right.