When you face a negative thought or situation, think of this person, thing, or time.
In other words, go to your happy place!
This is a silly thing that I thought of (and probably not funny to anyone but me) but it makes me laugh.
Christa, Emma and Ethan were sitting at the kitchen table and I came in and announced loudly "C'est moi!!"
In perfect sync they shouted back "MOI!"
Then looked puzzled when I burst out laughing.
"What's so funny?" They asked.
Haven't they learned anything in French class?
(Here is the Google Translation if the hilarity is escaping you as well. Use the "listen" button)