You can see right away from the man's face that the T‑shirt is squeezing him with all its might, but he endures, for us, makes sacrifices so that we can see how it looks on him.
Maybe he's one of those who always have that expression on their face?)
I thought about that too)) Just because I knew a couple of people who are always walking around with such a big mouth, as if they were tied to a stick.