The Buddhist comment on the blog was excellent. I think the truth is in the middle, and the comment already nailed that middle ground. You need to take action to better your life, but also be wise enough to appreciate what you have. I've done a lot of traveling, moved around many times around the country after 30. I'm a very unafraid and bold individual, as is my wife. I lived and worked in another country. I wouldn't say it wasn't worth it, and I'd do it all again even though it was a lot of work and sometimes stress. I learned a lot about the world around me, and myself.

I don't think everyone needs to do these things. It depends on the person and critically, your motivation for doing so. I never did anything I've done out of curing unhappiness. The thought never even crossed my mind once in my life, until reading that blog. If that's the motivation, I think disappointment awaits. Mine were all related to goals, helping my spouse achieve her dreams, or achieving my own. Which increased happiness, but the goals weren't set out of unhappiness. I was happy, we were happy, but we wanted to do something more with our time on Earth, and take some risks. It was fun, we'll probably do it more if it makes sense. We keep pushing, I'm a very satisfied developer with no more career goals to check off my list, she just received her Masters and soon onto her PHD.
As much change as we've done over the years, I ironically wouldn't change a thing.

Setting goals that will increase happiness is good. I wouldn't set goals to increase happiness on its own. It's your disposition, circumstances, relationships, job that can increase happiness. As a result, I frequently decide to be a better husband (instead of just taking out the trash, start doing the dishes nightly, making the bed, going on more vacations, helping fulfill their educational and career dreams). Or a better neighbor or citizen, it doesn't require a spouse. I can do that right here and now, no need to wait for some special situation or a move to some other place. The consequence to taking action, any action like that, makes you feel better. It gives you a sense of control over your own destiny, and while I hear a lot of excuses from people, I always reiterate that no one has more control over our lives than ourselves. Just accepting that responsibility and taking charge feels good, you don't have to even succeed at the goal.

I've found setting goals, most often unselfish ones, whether it's helping spouse out as much as I can with her career by moving, helping with Masters degree papers, being a better husband, while seemingly indirectly related to happiness, has made me much happier. This is ancient wisdom, but I've accidentally stumbled across it out of love for my spouse.

You are already enough as you are. You were born enough. Happiness doesn't really come from surfing, that's enjoyment. Some people enjoy snorting cocaine, that's not happiness either. The Facebook and Instagram pretend-rich, be damned as well. Loving someone else, spouses, neighbors, it doesn't matter, is really loving yourself.

I've made a lot of changes in my life and I've never made a more fulfilling change than that one. I'm a flawed person for sure, but I wouldn't change spots with anyone, because I'm (now) always trying to be a better person regardless of my circumstances. I'd be worried that I'd be someone else, maybe with a billion dollars, who is afraid to make real change in their lives, be adventurous and risk-taking in the important way, loving others selflessly without reward. I could be Jeff Bezos. I can't imagine a deeper hell.