I've never felt so lost

Sorry, this will be so long, but I really need some thoughts on this. My wife has lost many things over the last year. Her mom whom used to live a five minute drive away from us moved over 1400 miles away. Her grandmother which she was also close to passed away a month ago. The boss she has worked with for the last 13 years has closed doors. Her and her boss are very close as well. He's a dear family friend and mentor. We will be moving from our home of the last six years shortly. The only home my youngest son has ever known. I have tried my hardest to be there for her in every way and give her hope to look forward to the new. She was very grateful for my support. So about a month ago, she just looks at me and says she wants out. She says she wants the thrill of new. Like when we first were dating. And she is right. We have have been married for 12 and half years; renewed our vows twice; what I thought very much in love, but it is easy to become complacent. We have two children and with children there are many sacrifices. And if we are not careful, life can get dull. Anyway, I am completely taken by surprise that she says she wants out. I am devastated and we talk and say that we are going to fight for it. Fast-forward 3 weeks...Life starts to go great. Frequency of sex has increased. I believe that I'm meeting her needs. It really is not difficult. I truly mean everything I do for her, and I'm happy to do it. We took a family trip to visit her mother. We start talking late one night, and she goes on about how much she mentally needed to have this trip...then suddenly out of nowhere she says that we still are not okay. I realize that things wont happen overnight or even a few weeks. We explore her thoughts further and it seems we have a breakthrough...then the most amazing makeup sex ever. Fast-forward again to last night...We go to bar trivia. She has a good amount to drink, she is drunk. We start heading home and she brings it up again. Only this time, she said she still wants out. She brings up my past partners from before we ever started dating. I have had significantly more partners than her. I got around in High School. She never did that. We met in college and it was love at first sight. Barely spent a night apart since. So she says she wants to experience more independence. She wants to experience other people too. WTF!? I know for a fact she has never cheated on me, but seems to have thoughts only recently. She has surprisingly been getting more attention from others when we go out than she usually does, and she eats it up. Here is the confusing part to me...throughout our entire marriage, even up until last night, she tells me Im the perfect husband. All of these thoughts are only her. She's "broken" [mentally]. There is nothing wrong with me. Says I'm the best father, a wonderful husband, I do all the right things, treat her like a queen, her girlfriends are jealous of our love, she loves me wholeheartedly, I'm doing everything right, meeting her needs. etc...and In my mind I do believe these things. I have always made it a point to make sure that she does not lose her individuality in our marriage. Trust has always been there. I give her all the space and time she needs to be herself. Go out with girlfriends. Have guys buy her drinks. Very secure in our marriage. I am so madly and desperately in love with wife. I always have been. But now have never been so scared in my entire life. I've never felt insecurity, despair, hopelessness and hurt like this all at once. ever. Paranoia sinks in when I dont hear from her all day. My trust for her is dwindling. Her out by herself scares the hell outta me. We still end the night with her in my arms, her apologizing for making me feel the way I do and that again...she will be here and continue the good fight and will do everything in her power to find her way "back home" I have been all over the internet looking for anything that can help and I came across this site. There is still hope. She still is affectionate and says she loves me. Then why the hell cant this just pass!?!?! Do you all think this is a lot stress with the losses and she is still trying deal with all of these things and is pushing me away? Thanks for reading and for your thoughts.

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