get my wife back

i have been sitting at home taking care of the kids and the house, but every time i ever say anything or get upset over anything its like im the one that is doing nothing with there life…well let me tell you guys out there that being a mister mom dosent compare to anything and you dont get paid.. ive never cheated on my wife even though she has but we just got into a fight because my oldest son got up out of bed and came dowmstairs to tell his mom he loves her but he always does this so he can get up and run around so i yelled at him and he went back upstairs and thats how the whole fight started and now she barely talks to me and wont even say she loves me n im worried after we talk like she wants to do that ill b gone….i dont know what to do and i need help if anyone has ever been her or close please cause i need her in my life and i cant lose her again…so please help me…............