Glasses

Tyson’s father used to wear glasses almost all of the time, and his uncle Richard wears reading glasses.

Tyson knows that Jethro’s eye sight is fine and that his own is okay, but he’s ‘afraid’ that he’ll end up needing glasses too.

Tyson isn’t against glasses per-say - when they’re on other men he actually find them quite cute - but he’s self-conscious about how he looks and he doesn’t want to be reliant on glasses to do his job.

Or look more like his father because of them.