Join a social group to get out and about, a cycling or walking group would be good as you can interact as much or as little as you want with other members.
Camping also is a great way to meet people and get out in the air, I find it really social, but you can always zip up the tent door when you want to be alone.
Camping also is a great way to meet people and get out in the air, I find it really social, but you can always zip up the tent door when you want to be alone.