science of us
Loneliness is an emotion that doesn't always make a lot of sense. Two people may have very similar social lives, and yet one might feel isolated more often than the other -- even when surrounded by people they know and love, who know and love them back.
'The 5 Love Languages' Is A Perennial Best Seller Because It Helps You Read Your Partner's Weird Mind
Social and emotional skills vary from person to person, of course, but generally speaking, people are decent at reading each other -- better than chance, anyway, which is in itself rather remarkable.