confused

im really sick of finding out that my man is always talking to other women he takes the fact that im bi as a gate way to cheat but i had enough should i stay with him or make it work we have been married for 3 yrs but my heart is so sick of the same shit he saids he hasnt cheated and im pretty sure he hasnt but i feel him making plans with some hoe i dont know on any freaking socail nework is enough to make me want to leave i want to have a lady with us but not now im trying to get me rite and im sick of being pushed into if i want it i want it done rite a friend first get to know her and go frm there weve tryed it before and the b*tch was more into my man and of course they were saying they love eachother she knew him before me i hate this im so sick of dealing with shit i want to leave but my kids are everything to me i lost my first child to cps when i was 17 i tryed to everything to get him but my family left me to the wovles im just scared ill lose these kids to him and then it hurts me to take them frm him im just confused i just want to be loved for me not replace me