Spend 1/3
Save 1/3 for retirement
Use the other 1/3 to double your emergency fund to 12 or 18 months
Save it for a freedom fund in taxable investments. When you are under 50 you will have total freedom to retire, start a business, cut back on work or whatever you please.
Invest in bonds and mutual fund , put some up for retirement .
Maybe college fund for your kids .
I'd buy drugs. They are fun and we're going to die any ways. What's the point of saving for boring old retirement. I'd rather the last check I write bounce.
Invest it if you can afford to, but maybe in relatively liquid types of instruments like common stock.