I know it's hard but you have to try to not analyze every little things she says. I would encourage you guys to make a schedule on who is looking after the kids and try to keep to the schedule.

M:51 W:46
T:22 M:16
S:15 D:11

“Don't chase people. Be yourself, do your own thing and work hard. The right people - the ones who really belong in your life - will come to you and stay.”- Will Smith