I just have too much freakin' stuff. I think my hobby IS hobbies - Lego, model rockets, RC cars, slot cars, computers, photography, stamps, kites, woodworking, music - and I have to start thinning the list.
I once had a model rocket and set it of a few times in the park near my house, it was great, then decided to get the biggest engine possible (I was using mid to low size ones at the time), you got four of them in the packet, well I was dead excited, how far was it going to go? etc.. set it off and that was the last I saw of it lol, it went that high that I watched it come down in a cemetery that was miles away (how ironic), went looking for it but never did find it, that was the end off that hobby.