All of us assign different values to things, and not all of those values are going to line up with others'.
Carolyn HaxFor me, the greatest source of frustration was trying to work with a willful child when there was something else I wanted - say, to get the child to go to bed so I could have my own time. Just the promise of the time, and feeling that promise slip away, was enough to introduce a whole other element of stress into the encounter.
Carolyn Hax