Noticing.

And so he told me his secret formula for happiness. Part one of the two part plan was that I should just get on with ordinary life, living it day by day, like anyone else. But then came part two of Dad's plan. He told me to live every day again almost exactly the same. The first time with all the tensions and worries that stop us noticing how sweet the world can be, but the second time noticing. Okay, Dad. Let's give it a go. 

About time (2013), Richard Curtis.