Do whatever's best for the bond between the two of you.

Advice given to me by an ABA counsellor...

I also thought back to that advice when I decided to put DD into occasional care for a few hours a week. I realised that me not having any time to myself (DP often works weekends) was actually detrimental to my own happiness levels which meant I had less energy to be a mum than if I gave myself a little break now and again.
I agree, I have decided that a couple of hours a week in a creche at the gym with some very lovely ladies is not going to kill DD and she will get an energised Mum back in exchange.

So I would second that A little You Time = Better Mummy