"you can see that my choices for sporting activities are quite limited now."
I think the problem is that you are the one "seeing" the limited options. You can swim and bike as much as you want...there are about a million different things you can do with either of those two alone.
I think the problem is that you are the one "seeing" the limited options. You can swim and bike as much as you want...there are about a million different things you can do with either of those two alone.