As society has become more and more modern we have less of a need to go out and do things. Things like finding food has become so easy as ordering from your phone and someone bring it to you. This making someone be less active overall. The days where we had to go out and hunt for food are long over. Although it might not see like much you still gain a small amount of cardio exercise from simple tasks. Running however by far is the best way to improve you sexual performance and stamina. Not old that but as oxygen flows throughout your body you will also improve your mood and overall self.
There are always pills and supplements that you can take to band-aide an issue instead of really fixing the root issue. One example men really do bad in is fixing their sexual performance. Instead of working out and building up their stamina they turn to pills and other things that artificially put blood in the areas needed. If you have done this before you know what I mean. One example of this is a male enhancement product called VigRX Plus. Its so popular lots of guys who have tried it out put up their own reviews. Some review sites actually end up being pretty good resources like this site here. You can also find some very informative articles on their blog.
There is always simple things you can do to maintain a base level of activity in your life. Pills and drugs are not always the answer. See this video below with some very simple exercises.