When will people stop crying about becoming 30?

I'm turning 30 in a week and I seriously don't care. I still feel young and look young, but my friend who just turned 30 and she's been acting like her life is over for the past few days. She keeps talking about how her youth is officially gone and that she's reached the worst part of her life and that it's only going to get worse. She complains about being still single and that she is expired now because men value youth. I don't get it. I don't have these feelings. I keep seeing posts about people who are depressed about turning 30 and it's weird to me. Maybe I'm weird that I don't think 30 is when life and youth is over?