Hiding Depression

I'm still really messed up and extremely depressed at how things played out with my child's father and I...after dating 7yrs, losing our son , then me giving birth to our daughter I found out he had been messing around ( I know I know I deserve better his lost blah blah) but I'm the one currently struggling with getting over it... I wanted my family. Anywho I guess it's starting to weigh on me physically because he is always pointing out things