What Causes Pink Vaginal Bleeding Every Time After Getting Angry?

Hi my name is Natalie im 29. iam scarred b-coz everytime i get mad or angry about something i start bleed like a period but light pink blood and my stomach hurt is that normal it started last year and also i get cold sorse in my mouth 5 or more at the same time.am not on any pills and im very healthy. thank u