Having a lot of girl friends is NOT a disqualification.
- Simultaneously dating many chicks
- Cheating one or all of them
- Never having a solid long term relationship with any one might be a concern.
Is he ready to commit ?
Advise : Go slow and hang on. If he persists, then he is worth it. Avoid physics and focus on chemistry.
Is he okay with a lot of chemistry (Long chats and calls etc.) only?