That's great, Diva. The perfect solutiuon at the right time. You are such a caring, family oriented person; I'm sure this will be wonderful for you both. ♥
Even the most terrible storm clouds have silver linings - they may be hard to notice at first, but they're there. Nothing negates the horror and sadness of a terrible storm, but small moments proving the sun remains steadfastly behind those clouds and will shine fully once again, is how we find our way through.
A reward for having adult children (and grands) with whom we've kept strong ties is that we can be silver linings for each other during life's crises.
My younger son lost his wife last July, and still is in mourning. Since we are now sandbirding, We offered our other home for him to stay rent free until he gets his feet back on the ground.