sparks.... even if you were just trying to make small talk...it sounds a bit interrogating to me too
you talked to her for 3 hours in the morning then called two hours later and she told you she was at B&N then you called her again timed her response then asked her what she was doing AGAIN
back off buddy
your son's sock size should be easy to figure out since they give the month size on socks
I would take your wife at her word she continues to go to therapy with you