MIL,
I found it best to read as many threads as possible and glean from them what I found to be the best...

At times, there are people who give out some off advice..(not referring specifically to your sitch, haven't read yours yet)

M38, H37
S3, S7
Together 15 yrs
Married 8 yrs
Bomb July 2008
Inhouse separation
"I hate you" "We are over" (too many times to count)
Reconciled Sept 2009 (still worth it)