1.
Volunteer to help someone in need.
2.
Take a new route home from work every day.
3.
Sign up for daily or weekly email updates to your city.
And when you need a book, go to the library.
5.
Attend a lecture about a topic that interests you.
6.
Use a music app that recommends music based on your mood.
7.
Discover new movies by following the recommendations of the guy who saw 'em all.
9.
Revisit something from your past.