working mom

I never wanted to be a working mom per se, I waned to wait until my litle ones were in school but this week I put in 53 hours!!! granted 17 were on friday, but still that's a lot of time to be away from my little one. I really don't know how I feel about it either, I had all three on saturday and was overwhelmed! They fought, whined and just drove me nuts. So now I don't know what I want, I really want to give youngest all the mommy time he deserves but I resent that it feels like when we are together he is such a turd.