@sharkman
Dude's an office worker so he's definitely above 18.
Girl's in middle school so she's definitely below 16. She's most likely 14 and he's most likely 22 since he's been working for a bit.
Later in their lives an 8 year gap wouldn't be much.
Right now though, it's a good amount, and I'd personally rather like to see her crush on him to realize it won't work before being won over by the diligence of a person her age. Older brother should have his options too.