I like the fact that you are addressing both possibilities here. You did a good job by taking control of the family sitch and doing your thing here. Hats off there !
When you feel like giving up.. well I dont know if this will work for you.. but it sure worked and still does for me.. repeat this 10X.. and think about it.
I control my emotions. My emotions do not control me.
It is a basic thing but I have found it to be helpful.