immature selfesteem problem

hello ladies i have so much to say but i dont feel comfortable talking to anyone i know but i have 2 sons i have wonderful yet very soft guy i know we are together cuz we have children together he has this mean image of me and i try to live up to it and i as well precieve him as this douchebag that he proved numerous times i gained weight now sincd tge baby i have no drive to loose it and just so unhappy but i know he deals witg so much of my shit that i dont think anyone would does anyone stays in relationship just out of comfort