I don't think I really understood hard work until I met Mei.
Whether she's learning how to operate holographic controls or working on her aim, she basically tries as hard as she can all the time, and she hates asking for help. Instead, she'll just scrunch her eyebrows and glare at whatever she's working on until she can think of a solution. It's kind of adorable, to be honest.
The only time I think she takes it easy is when we're sparring. That really opened her up, by the way. She even gave me a callsign, Juzi, although she won't tell me what it means. I'd bet the answer on a match, but she'd kick my butt in a heartbeat if she got serious. Those muscles are cheat codes.