My man wants Affection hez hurt?

I have 2 kids and lots of house work! Thats my excuses every time he says he wants my affection or even attenttion he says last night hes leaving me to find another ****** who well not neglect him anymore if I dont start showing him love, he sinsitive when it comes to me but hes hard, and for my man to feel this way bothers me, so I may be lazy and aint got it in me, or I may have my mind on other things, so any ways help! What do I do? Wer live togather in are own home