My sister’s boyfriend just got in music this year, upcoming artist. He’s been trying his best but the problem is he keeps secrets from his girlfriend. He would go for shoot/music videos without her, telling her she doesn’t need to be there. He’d follow numerous girls on ig and TikTok and he said he doesn’t cheat. My sister has seen to many messages with other women, but didn’t leave him. Now he’s maltreating her cause she doesn’t want to leave, he asked her never to go through his phone. I have advised my sister to let go, she refused now they’re fighting seriously. I’m just confused cause I feel he would do worst if he eventually gets the fame.