Please. please,please — Eli didn't "sleep" with Ingrid. They had sex in a chair. (Ingrid used earthier language). Why do you adopt that silly euphemism?

Yes.

It was when Stephanie said she knew all Don's secrets that Megan turned against her.

Megan turned against Stephanie — on a dime! — when Stephanie said of Don, "I know all his secrets." Megan realized this little girl knew her husband better than she did — not necessarily sexually, but intimately — and it pissed her off.