IS MY GUM BAD?! someone help me?

Ok yeah im seriously asking his question. and its more of a what do you think i should do kinda thing. alrighty. my grandfather just gave me some gum. and it sounds delicious. Its trident but its like citrus flavored with blackberry in the middle. Sounds ammmmmazing right? and you have no idea how excited i was and how much i would like to eat it. well then i saw it says best by july 31 2009. and i was all wtf!!!! but really does gum go bad? like so bad itll kill me. my question is, do i risk it all and eat this life changing gum? should i? should i?!