Time is in the eye of the delayed

I was on the computer yesterday morning and Michael and Sam wanted to get on.

"Can we have the computer?" they asked me.

"In a sec," I replied, meaning that they could have it in one of those typical parentally obscure time frames which might be anything from literally right now until "oops, I forgot what the time was an 14 hours have passed."

So I was greatly amused when Michael said to me, "Well how long is a sec to you? Because with Mummy, a sec is an hour and a half!"