And my wife just sent me a text: "Would u like to start your time w E today? Totally up to u. I'm not calling shots just trying to make amends".

My initial response would probably be: "That would be great! And then we'll see you at 6pm as we did before, ok? How are you feeling today?"

M37, S5
M-7y; T-8y
Separated 060410
Wife/son moved 022611
Wife serves d-papers 032011
I filed child custody 042012; obtained custody 070312
Bifurcated 103112