Brookie, I'm on the long side of 61. Will I be building in twenty years? Will I be a master by then?
Will I even care?
To me, it's most important to enjoy what you're doing. If I'm building a chicken coup or a dogsled, I want to be having fun. This gunbuilding rocks my world. As soon as it doesn't, I'm quitting.
Another thought: 'once I'm really good at this I'll have fun'. You might get there and hate what you're doing.
To many people I have heard say 'Once I retire, I'm going to do this and that', and the day never comes. Do it now. Whatever floats your boat, do it now. Live your life with a flame. If you burn up, well, good; you went out with a bang.