IS IT OK FOR MY BF TO FLIRT?

ok so me and my bf dating for 6 months beyond in love(first love) i go crazy and get mad at him quick cse hes a flirt i think its just me being a territorial person i dont liek other girls coming after whats mine but teh thing is hes not a terrible flirt at all!!but i stil get mad so last nite i had a dream that we were in school got in trouble byy a teacher and i walked outa cl and waited in teh hallway for him with his homeboy so my bf came out of cl and walked p up (i thought he was mad at me)so i followed him to see what was wrong but when i got to where he was going with out him knowing he went to another girl went up close to her and whispered something in her ear(looked liek he was flirting) idk what he was syaing but i know he was flirting and then he left she didnt flirt bk or nothing so he lfet and walked bk to where e and his friend was earlier so the girl saw me and i took teh long way bk to where he went to see me and his friend and while i was walking me and the girl never lost eye contact so he was sitting on this balcony thing at school and i came over to him looked at him and i could see my face and i looke dliek i was crying and i tried to push him over the balcony he thought i was playing and his friend noticed i was serious and moved out teh way cse he was rite next to my bf cse if he woulda stayed and i woulda pushed my bf my bf woulda grabbed him and pulled him off teh balcony lol but anyways my bf saw my face and was liek o **** and got of the balcony and grabbed me and just was starig at me liek baby wats wrong with you what happened wats teh matter ..he had thi s real concern look in his face ..and i woke up