Honestly no idea what to do?

Ok so me and this guys have been dating for awhile and about a week ago he asked me to be his girlfriend so I saaid yes cause I really like him....but (this just sounds stupid) now I think I. ....love him.......normally I'm not a big fan of the L word useing it and I definatly don't throw ot around. ..I'm a little confused and any input would be helpfull thanks!