I would back out. Clear up your relationship before jumping into a financial entanglement. Do you love him? You can date again at 48. You'll be even better at it this time around. Don't be held back by fear -- only by love.
Me: 50, MLC/WW 45 Young kids Nov 2015: BD1 Apr 2016: BD2 Jan 2017: W filed Feb 2017: D final