20 Things to Do When You're 30 That Will Make Life Better at 50

"You WILL forget more of your precious memories that you'll remember," writes Quora user Mark Crawley. "Your written records will entertain and endear in your future (wish I had). Your computer should make this archiving all the easier to implement and retain / recall. Put files on memory sticks with photos. Your kids (or surviving spouse) may someday love you for it."