HES BACK AND I KISSED HIM!?

ok this boy i dated for a long time moved unexspectily and he dusent have a fone cuz thee not that rich so i had to get over him and stuff and never saw him agin :(((( i moved on got a new bf and stuff but then today out of now were hee came back! and wheni saw him i lost controller jumped in hhis arms and started kissing him!! but thenn i remberd..... my bf was right bye me and saw me kissing him he got mad and we got in a fight .... any advise plz help