Things you can do spend time by yourself or with one other person as an introvert or ambivert
1. Arts and crafts 2.fashion and beauty 3. Languages and linguistics 4. Creative writing 5. Reading 6. Music 7. Dance 8. Plants and animals 9. Sports and excercise 10. Science and technology 11. Design and development 12. Baking and cooking 13. Movies and tv 14. Theatre and drama ( you can do alone to see a play) with one other person board games and cards
I am an introvert. One of the things I enjoy doing to help keep my hands and mind occupied is tying knots and making things with rope or paracord. Knots are just so fascinating. Their beauty, complexity, and strength.