Man, what I wouldn’t give to have too much free time so I could fill it with crap! Gardening (that could do you for life right there, from fruits and vegetables to trees to building a greenhouse, building an in ground cold frame, there are grapes there are berries, root crops, there are easy things that are ready to harvest quickly, and then difficult and rare things and things that take years to see the rewards of your labors. For me, growing food is just very rewarding and exciting, I’m waiting to harvest my potatoes and the suspense is killing me lol), painting, hiking (get a dog if you do t have one, to go with you), cycling/mountain biking, get a terrarium and raise poison dart frogs, raise bees (well that depends on where you live I guess!).
Or get a horse and you will never have time or money again ;).
