Allowing your aspirations to more flexibly become whatever the situation requires is important. As described in the finish with respect to the time between we aspire to do something and work toward those aspirations: > “what happens in the meanwhile is also life.”
Life gets in the way, and as people we certainly can change for good and bad.
One example from his book: if someone gets in an accident and becomes paralyzed, they'll suffer great sadness, but that first sip of orange juice through a straw through, man, what a joy.
So essentially humans will adapt to find sources of happiness as circumstances change.
Re parenting: it's not like you suddenly discover a hidden passion for changing diapers, rather, your body will adapt to find a way to derive happiness. And the interesting thing is, it will be totally genuine!
1. Being a parent requires adult-like time management. Time management skills and focus are what separates adults from immature old people.
2. I have become a better manager and professional because of parenthood. Children really are your worst critics and often irrationally so.
3. The things I see childless adults do that I have never had the time or money for are things I have never missed and don't regret. I don't like clubbing and other vain social experiences and I don't drink. I did jump out of planes before having children and if I were interested in investing money in this I would force my children to do with me (regardless of what they want).
4. When I vacation hiking up a mountain is more fun when you can force a complaining child to do it.
5. You become really good at recognizing self-serving interests and immature behaviors in other adults, because you have had expert level practice from parenting children. Its like looking through a one-way mirror, because some people have no idea of their own behavior and how others around them interpret it. Sometimes those self-serving people have children of their own and its clear in the consequences of their parenting.
6. Children are expensive. I am absolutely not exaggerating when I say I have always wondered how childless adults don't have enough money to live in either a mansion, own a Ferrari, or at the very least be an investment millionaire off an average person's salary. After 4 military deployments I could easily live in a cardboard box (if not for spouse, children, and pets) and become a cash millionaire off my salary plus investments in about 7 years.
7. Children make you less portable. I have often thought of moving out to a highly secluded area even if it means getting by on next to nothing. Unfortunately, spouse and kids like money and suburbia. Most adults without children take this for granted and waste it.
8. Children are an unintended predictor of success. If you can convince a child to do it you should have absolutely no problem selling it to an adult for money. You sell something to a child by forcing it on them intentionally driving large amounts of bitching and crying only then to take it away from them. This is how I got them to be self-motivated about competition athletics.
I hate arguments like this, PARTICULARLY when the topic is becoming a parent. Sure, you might become a new person and love being a parent far more than missing the aspects of life you sacrificed to be there. OR you might hate it - I have at least one friend that told me "I love my daughter, but I hate being a parent" in a terribly gut-wrenching way. To say you don't know - that you CAN'T know - what it's like to be a parent without being one doesn't mean you should just shrug and give it a try. Ditto the same rationale for other arguments - there are many things you can't know if you'll like until you try it, but that doesn't mean you shouldn't try to decide if you will in advance.
Of course you'll never know if you'll love being a parent, you won't know how it can change you, and EVERY parent has moments of frustrations that are not the same as regretting having a child/children. But if you become one, there's at least two lives that can really really suffer if you hate it, so it's worth dedicating some effort to thinking about in advance.
Finding parenthood worthwhile is a very very common state for humanity (for good reason!) and most of us have benefited from that. But we shouldn't assume that it will just work out that way, for ourselves or for others.