You have a lot of positives here. She is torn and that is good for you. The single most important thing for you to do is not apply pressure. Be the happy go lucky guy. Be Johnny on the spot. Be a shoulder to lean on. She asked for space. For the love of Pete, make sure you pay attention to that clue.
You have got to get this other guy out of your head. He will cause you to come unglued. Just look at the way he reacted to the time your wife spent with her family. YOU NEED TO GET IN HIS HEAD! Give him the rope and he will hang himself Sandline.
You have to relax. You need to regroup. All the answers you are looking for are right there before you. You need to step back and take stock.