As bad as it is to have your seat encroached upon by a stranger’s body, I would have been more upset by having to sit next to a sick person. You may not get to leave the effects of that experience behind after deplaning.
Interesting idea:
Manspreading is bad, but even worse is when a guy crosses his legs, manstyle, in a small space, which puts the bottom of his shoe in your personal space. My solution to most of these problems is I sit next to my wife.
That’s what Mr. B does, too! Plus, I handle his itineraries and plan meals. A win-win situation!