As Iogames stated, he's playing mind games.
Don't give in, put on your poker face

Also, my pass is 40 chars long consisting of letters numbers and an alot code.
Maybe you should do the same,so you don't have to worry about some little cracking attempts.
Btw, if he does have your database already, all he has to do is crack your hash and he has your forum password. So your best off to change it.