Pleaseee HELP!?!?!?!?!?!?!BOY problems?!????????? 10 points BA!?

OK well i have this fwb and well i said SOO MANY wrong things. Like perhaps he would have taken me more serious if i didnt say this and we would actually have a relationship.....ok i told him and was like oh i guess were friends with benefits i was the first one to say that when instead i should have been like oh so whats gonna happen with us? and then i told him we couldnt hang out everyday/too much because our moms would suspect (our moms are bestfriends) we would probably be hanging out more often... and well i havent talked to him since sunday and well i guess now he takes me as a joke like if i wanted a fling and well i did at first but now i dont ugh im the most stupidest person ever please help what can i do to change this????