Living life to the full means what exactly?
To some folks its all about adventure going to dangerous places, doing dangerous things facing deadly foes. Extreme sports guys are never happy unless they are jumping off a cliff without a rope or a parachute. Strangely though few of these guys volunteer for really dangerous jobs like patrolling in Bagdad wearing a British or American uniform or climbing into burning buildings to rescue people or taking a small fishing boat out into the Atlantic. Extreme sports people secretly like to control the risks they take so being a soldier, sailor or fireman where the level of risk fluctuates dramatically has no interest for them. I suspect that that eliminates the extreme sports buff from the title of living life to the full.
Other people deem living life to the full as having a busy working life and an extremely active social life. You know the type, the guy who does a 12 hour day then goes straight to a bar to party the night away with his buddies before going home with a gorgeous woman. The problem with this lifestyle is that it comes to an abrupt end when the guy marries the girl either that or he never marries and ends up an embittered batchelor.
The bulk of us never feel as if we are living life to the full. Our lives are fairly mundane consisting of work, home and the occasional social outing or sporting activity. We generally feel as if there is something better somewhere else. The interesting thing is that so does the extreme sports guy and the soldier under fire. I suspect that living life to the full or living on the edge is something you can only do for a short time without getting bored. Life needs to be fun though so I suspect you need to have an equal balance of activity that is both exciting and mundane. When you feel a little jaded you can either pump up the excitement or turn down the volume. A full life is one that gives you a taste of all pleasures from falling asleep on the sofa to falling from a plane. Try the thrill you fancy today, it'll make you smile.