[biznerd]

If you want to retire in 10 years, you'll need to save 65% of your income.

https://www.mrmoneymustache.com/2012/01/13/the-shockingly-si...

It's going to take a huge change in habits.

If you're determined, I would say don't listen to the haters. I've been a member of FIRE since college, downshifted and it's amazing. I never really enjoyed working (actually, hated it) so I get to spend my time on this earth doing what I want to do (read classic books right now.)