There’s nothing difficult about finding faults, flaws, and things to disagree with — which is why so many people seemingly make a sport of it.
When you find yourself with a predominantly negative view of people (or life in general), it can help to change your focus from fault-finding to appreciation-seeking.
“What can I appreciate about this person, this moment, or this thing?” is a question that will often leave one feeling far better for having asked it than simply focusing on all the things one doesn’t like.