my bf

Well I don't know where to start but I am 25 with 4kids and one on the way my boyfriend said lasted night I wasn't woth marrying and it's got me right upset don't know if its cos I am pregnant but he doesn't seem bored that it has hurt me just feel like shit and don't know what to do do I walk if I ant good nuf for him I feel like he is waiting for something better to come along