I will bite too. Agree that hobby should equal fun. Here are mine.....
1. Koi pond, have 6000 gallons and 15 koi that are mostly 20-24 inches and 3 that are 10-15 inches. Eat out of your hand and all named. When in town, sit out back with waterfalls running, feed koi, and do this while drinking...
2. Wine, my second hobby. Fun is finding good bottles at a bargain, and finding great "value" bottles for everyday quaffing with friends, and just drinking with a good cigar, by the pond, listening to frogs and crickets, and watching frogs get insects in the pond lighting. During the day, total wildlife around pond and out front as I love......