You're still paying off student loans, but your student loans are paying off your parents' mortgages. It's like, 'Hey, I'm living on ramen noodles, but I'm also paying for your 4x4 house, Mom and Dad.'
Avocado toast is just the tip of the iceberg, though. It's the avocado-farming, artisanal-cheese-buying, matcha-latte-sipping, fixie-bike-riding, rent-paying lifestyle that's the real money-suck.