Feel free to miss the gym all you want. You can get an efficient work out right from your house. I recently purchased Mark Lauren's book You Are Your Own Gym from marklauren.com, and it has taught me that I don't need to go to the gym to work out. All I need is a small space in my house. My bathroom even. And I don't even need to use weights. The book's got me eating more healthily and getting ripped, weights-free. I recommend it.
We try to go every other day. Life interferes now and then, but we do get there at least twice a week at the very least.
I always do walking leg squats (you look incredibly dumb doing them, but they are wonderful), pullups, dips and situps. For aerobic, I either do the rowing machine or walk home (half an hour) or both (my wife has hip problems so she can't walk that far). I toss in some machines, maybe some pushups and a little punching bag now and then.
We're both in our sixties and first signed up at a gym in our twenties. Regular exercise pays off!
I hate to see people our age so flabby and out of shape. They see me doing pullups or dips and say "I could never do that!". Why not? All you have to do is work at it and maybe lose a few dozen pounds that is killing you anyway!
Started going to the gym just last month since I had been recovering from a prolonged back injury. Since I need to work on my "core stability", I go to a core condition class focusing on abdominal and back muscles. I don't go on the machines, at least not yet, though at this gym there are all sorts of them, bicycles, treadmills, etc. I guess you could purchase a DVD and do exercises at home, but I tend to "goof off" and do other things, like going on-line, or fixing meals, so I don't have an exercise DVD...lol.
Had a very good deadlift workout today. Training for a competition in September! Worked up to a 405lb deadlift with double looped blue bands for an easy single. The bands stretch as you pull the bar up and the tension increases dramatically. I was pretty happy with that. Goal is to pull 520-540 at the meet. Tomorrow is good ol bench day, did 210 for 9 last week. Lookin to see what I can do with 215 tomorrow.