I’m not happily married.

I am a 22yrs old female married to a 37yrs old guy and we have 1 kid 3yrs old gal. This is my story: before I had a baby I had feelings for dis guy until I gave birth to my child and I lost interest in him I tried to tell him and he doesn’t wnt to understand nd now I’m cheating on him becouse I dnt love him anymore and i told him before we go too far with our marriege. Please I need advice help me.um ant happly married.