Giving up Kung-Fu

I've decided to give up Kung-Fu. My other commitments, especially my writing, have just made it impossible to keep up. I've come to this conclusion very reluctantly. I know it is very tempting to give up exercise as we get older, and I'm fighting hard to resist that trend (I still do dancing, and walk a fair bit every day). There's another issue here, too. I've noticed that men, as middle-age approaches and encroaches, tend to give up their hobbies. For so many older blokes, their whole lives are work and family. For a host of reasons, I think this is a Very Bad Thing. I'm not at that point myself - I have more hobbies than I have time for. But it's something I'm mindful of...