God Knows I have faced many situations in life and not been nervous but I have no armour against the "Power of Mom".
I don't remember my mom ever scolding me, even when I used to get caught after doing some mischief, nevertheless her glance and the thought I might have disappointed her was enough to make me squirm. (not that it stopped me, when it was time for the next mischief)
Its funny how even now, as soon as my mom calls me by my full name and says she wants to talk to me, I start quailing.
I rapidly go through the last few days trying to find any mistake I may have done, what could mom have found ???? and start getting nervous :-p
Ofcourse most times she just wants to talk to me about something innocuous.
Guess this is one piece of my childhood that is never going to vanish.