Im scared, i don't want to make a mistake, i don't want him to break me too?

Im going out with this guy, but im scard he's a player... I've been hurt by guys many times and i couldn't stand another disappointment... I've asked a couple of questions already but i never get the whole story. So is there anyone who has the time to talk to me? My email is riveraarely at ymail . com... I just really need to talk to someone, im super scared