mommies I need advise my 2 year old son has had frequent nose bleeds for the past few months I've…

mommies I need advise my 2 year old son has had frequent nose bleeds for the past few months I've asked the doctors they keep telling me it's normal well I've come to notice it's happening when he gets angry and rite now at 2:03am he woke me up saying he had boogers and it was actually alot of blood alot more then usual and it just kept pouring out. I'm starting to worry about this.! has any other mommy gone through this with there little one?