One of the biggest questions also is: when is it ok to give up?

I am/was very serious about my vows, made a lot of mistakes too. But when is it ok to throw the towel? I mean I am still young. Only M for 2.5 years. No children. Definitely easier to do a fresh start, move on and hopefully be better prepared for a future relationship.

Me 32 (German) Wife 28
T 3yrs M 2yrs
Moved to US for W
No kids
BD 6/2014
In house separation
Confirmed EA 1/2015
(ongoing since BD)
OM not ready
Real D talk started 1/27/15