I am sorry to hear you are feeling down. We both know this is part of the roller coaster ride and to be expected. Here is a 2x4 for you though. Stop with the social media viewing with the WW. That's like self medicating for an illness with rat poison. It's not gonna make you feel better. You need to keep on track with the healing process and you have to discontinue looking towards her until you are healed and whole.
Get focused my friend on you and your d. It will be a challenge, but you must do it. You will gain confidence and your d will provide you with feedback and love that will build that confidence, but you must stay the course.
I know the challenge you are feeling and it is okay and I encourage you to let the pain of the sadness and loneliness to pass through. But please don't add to the pain by looking at the social media and other aspects of what she is doing. There is no benefit for you.
I'll check back and I support you on this challenging journey, so I will look to hear your plan to get out of the funk and go be a confident loving father. Your confidence will build as you do that. I assure you of this my friend.
Me 46 Former W 46 D19 D7 BD Feb 2016 WAW moves out 4/16/16 D final 6/1/2017
It's time for me to start changin' the way I look at the world......and at myself. ~James Howlett aka Wolverine