For each his own. I've decided long ago that I'll have fun for as long a possible and then I die.
Make money, when you have enough - you can do pretty much whatever you want and get away with it.
But I suggest another outlook, which we usualy skip/don't think about it. Genes. Not everyone have genes to be able to enjoy every day life like it's fun day in, day out. I mean - many guys/girls are not exactly the best looking, etc... all they ever want is to find someone who'd be willing to stay with them/have regular sex with them for as long as possible and they are content with it, then they have kids, to have something to do (as "having fun" is not so fun when you can't dominate in a physical sense, or at least be somewhat above average). It's a lot more important than people want to admit. It's no fun for a manlet in some social gathering when he can't talk up a girl and see her eyes lighting up, it's no fun for a heavy build female to go out and see all these better looking chicks, it's no fun to be bald and hang around people who have nice full locks, etc... People can denie it, but it's true we are very superficial animals and our body is our survival machine, our avatar that we present ourselves in. Only time people who are physically subpar that have lots of fun are these who are rich and doesn't give a fuck, because everyone still kiss their butt and are afraid of.
I guess you look good and that's why you don't care too much. I feel similar, my dad is 50+, smokes as a chimney, drinks booze when gets a chance, has spent million years in the direct sun, yet has incredibly good skin (for that lifestyle) and overall looks very good, and I'm a copy of my dad, that means I don't worry about suddenly looking "bad" and not being able to find some pussy, etc...
That and many people just doesn't have a drive to keep on going at fast speed, they start doubting themselves, they search for something calm, easy, predictable, SAFE, comfortable... The funny thing is - once they find this - they start to feel miserable, because all the turns are taken, all the ways are known and every day starts to feel like the last one, no danger, no fear, but no surprises and no "high" at the same time.
Life is funny and ridiculous survival experiment, I've ceased to analyze it quite some time ago, I just push the pedal now and see where it takes me, if it's nice I'm happy, if it's not nice - I'm still pretty happy and most important, one thing is for sure - I want to live like I'm living now for as long as it's possible, I've worked a lot to come to this state of being, worked as in overall sense, and now that I'm here - bring it on, I'm just begining to really have fun!
Don't sweat too much of how others are living, your friends, your relatives or me writing this, just have your own goals and keep going doesn't matter how "unordinary" or "crazy" they may look to many. many will end up like you can see now when looking at people who are twice your age who lived "like most". You see a nice view? Good for you if so, I don't see much to strive for.
EDIT: it's all in your mind of how it will be. Take a look at this fella and pay attention to what he says at the end. It's a mind that never rests, a mind that is hungry and want's to keep the pace, a mind that is not afraid to dream big, a mind that will have fun for as long as it's possible:
