I did, she had our kids that week and had no way to pay for groceries. It was her fault for mis-managing her money.
I agree it is a delicate process, I make more than double what she makes. I know what the general advice however I try to think big picture about what it will look like in the long run if we get D and does that take a amicable situation and turn it ugly which costs me more in L fees in the long run.