Ever since i had kids and met my baby father im not happy

Especially these holidays… i cant do anything because they are smaalll and im always home.. i wish i had friends but i dont go out have me time.. and cant go out and take the kids a cute picture.. they are 2 years old and 9 months old… im just not happy and a piece of shit ass baby father who dont care about me or the kids to have memories or take us out or even help me .. he wants to be with his friends all the time and or asleep … i just wanna quit in life im not happy im so insecure.. i dont feel pretty . To even get shown off . I just show off my beautiful kids onn instagram.. idk my life is not good i cry eveyday my heart is tired and hurts.. im still going through postpartum depression.. i have it bad now