you dont ALWAYS crave things, i never CRAVED anything my entire pregnancy, i really liked some things (slushies, strawberries, pineapples, brocclie, and a few other things) but i never had those tv cravings (where you have to have it now and you send SO out in the middle of the night to get it then change your mind about a million times)
also it is a little early to be craving things (first trimester) its not impossible just not as likely