I Am feeling so sad about my boy going to boys home?

Just a few min ago,my boy msg me sayng that he slap a girl because that girl slap his little brother without a reason.that make me so shock of what i heard...and told me that he have to go to boys home to faces his ''slaping problem''..bt the one thing i remember about is he saiod when he is boy home 'will i still be his gf' and was yes bt i am still nt sure about my answer?should i still be wif him or find other guy?it really comfrused me so much.please help me to solve this problem?