confusing relationship (help!!)

so ive liked this boy for almost a year now and we started talking in march but then stopped because i wasnt ready for a relationship, fast forward to june, we hooked up and i thought it would be a one time thing but it kept happening and we both caught feelings again. its august now and we do everything a couple would do...but we arent official, idk what to think and im too scared to bring it up with him, HELP!!!