Oh, dear Carlos, I know you didn't need nor invite the sympathy - but it's coming your way; I had three little boys under the age of 5 at one point in my life, and exhaustion followed me for a few years...
Write it, express it, whine it -- it's human; doesn't make you less of a father, doesn't mean you can't see the big picture. Parenting is hard. full stop.
Meanwhile -- a great description of Impossible Vacation -- adding it to my book list which seems to be expanding and I really need to get off Medium and get caught up on news and those books! argh!
Great write-up -- stay well!