Different things maximize my utility every day

Yesterday I took my 1 year old son to the zoo. I was very happy watching him being happy watching the animals. My utility was at maximum level. Today, I read about the new proof for general equilibrium for a pure exchange economy where agents are heterogeneous and I was very happy and satisfied when I understood the proof. My utility was maximized again. I am thinking, what will be the following optimal thing that will maximize my utility tomorrow...