What you are experiencing is likely the most difficult thing you have ever experienced. You are receiving some great advice from some members who I have a great deal of respect for in Drew and Mach. I can assure they have your best interest at heart.
They are sharing wisdom based on their own experiences. My sitch is not all that different than yours. I allowed fear to be my guide and I sat back for way too long before fighting for my kids. In the end, it all worked out, but not without some unnecessary pain and heartache.
I had members advising very similar as you are being advised. I chose to do my own thing, because I thought that I knew my W better than anyone. It cost me a school year with my kids living 1100 miles away. That sukked.
Therefore, based on my own experience, my advice aligns with Drew's and Mach's advice...as well as unbidden.
Me:45 ExW:48 M:04/97 3 Bombs & 2 ReCons 1st BD 11/10 D Finalized 4/20 D-16 S-14 Going in one more round when you don't think you can. That's what makes all the difference in life.~Rocky Balboa