I am filled with positivity.

The same rude remark costs a person almost nothing at nine in the morning and takes the entire evening at nine at night. Nothing about the remark changed. The reserves did.

That's most of what fullness buys — not immunity, which was never on offer, but margin. A day with something in the tank absorbs the cancelled plan, the curt email, the delay, and hands you back an evening that is still yours. Worth topping up in the morning for that reason alone, before anything has gone wrong and while it still feels unnecessary.