Other than money, is there anything else that holds you back from the house? any other contingencies? like how long before you could move in? you sound like you'd really like to be in a new place asap, and if the sellers have to move before you,etc, there could be a lengthy delay. What about other houses you've looked at? are there other options?
Can you talk to your mom? ask her not to talk to your S3 like that? could it be she doesn't even know it's a problem?
Quote: I have some anger to get over.
Definitely. Is it coming out more now that your R is taking a positive track? Issues to deal with that you've suppressed to get the ball rolling?
Shiny things coming in little boxes...overall, you're in a good spot. You know what direction you're taking. That makes you pretty dang lucky in my opinion!
Live your life while you are still living. Riding the trail less traveled.