Sell your 20% in cash and get out. You'll have the money in the bank and ready to start something new. There are tons of technical founders looking for someone

Sell your 20% in cash and get out. You'll have the money in the bank and ready to start something new. There are tons of technical founders looking for someone who has grown from 0 to $6M in a year. (which is huge). If you stay, you'll have a few years of misery.