December 31 Prompts: Day 2 - Worst Part of Day & Reaction

And I'm back loyal readers!  Told you I'd be!
Today's prompt asks me about my worst part of the day.  Now, I'd like to think that I really don't have a 'worst part' of the day and normally I don't.  However, there are days.
For example, if my son never got a nap that day then my day goes bad.  Especially if it's a Wednesday.  I'm totally behind in what I need to do because I didn't have the time to myself.  And if that is the case, I get irritable. 
I try to calm myself down by taking deep breaths and reminding myself that Eli doesn't me to irritate me.  After all, he is only 3.  Sometimes it works. 
Other times......