My good friend Joseph Schmo, who I probably just made up, handed me this mysterious note. And right after I figured out [what my other fictitious friend's note said](https://puzzling.stackexchange.com/questions/62550/friend-passed-me-this-note-after-lecture)! What is Joseph's favorite pastime?

[![enter image description here](https://i.stack.imgur.com/I0XfC.jpg)](https://i.stack.imgur.com/I0XfC.jpg)

Hint:

> 
>  Joseph's favorite number is 7
> 
> 
>