red flags?

Currently seeing a guy, he's pretty amazing, makes me feel all types of excited when I'm around him, however there's a few red flags, one being his anger issues, never at me but he seems to have moments where he gets really angry like when he talks about his ex's or in traffic etc. I always manage to calm him down instantly then he's back to being his sweet self however the guys I've been with in the past are very similar to me, when they're angry they go quiet. Is this something I should be worried about? Is your partner like this?