There's something great to be said for every age. According to research, people are most satisfied with their lives at age 23, but after a lot more experience, they are very satisfied again at age 69. The best age for learning a new language is seven, but that doesn't mean your chance is gone if you don't. You reach peak muscle strength at age 25, but your math skills will peak at 50, and 51-year-olds are better at understanding emotions. Of course, these are averages, so your mileage may vary. The section on marriage is understandable, but not definitive.
The peak age to settle down is 26.
The 37% Rule of statistics says that at age 26 you'll have met enough people to have some solid options without waiting so long that they start pairing off without you.
And according to one recent study, divorce rates are lowest for couples who married between the ages of 28 and 32.