Stahr
I really like your own suggestions on activities to do, for whatever reason I would enjoy a walk down the boardwalk if its open on a nice sunny somewhat warmer day. Do you know if its open or not? If not the nature hike is another great idea, Is the problem the people to do these activities or if there is anyone that wants to hike with you?

If your not up for getting out sometimes I chat with people in chatrooms I think psychcentral has one as well, I usually keep it really casual and get that social aspect I need at times too.

If going outside and casual chat away from I have a mental illness is what you seek stay no need for any hospitalization if you don't think you need it, talk to us here instead someones bound to have some ideas for you,