I'm not nearly to the place where you are yet (piecing maybe?) so can't really offer insight from any personal experience.
FWIW and from the little I have read here, it seems like this reaction may be part of the effort of moving forward - that there are ebbs and flows in the reconnection phases....
Just wanted to you to know you have support here. Stay strong!!
Me-48,W-51 M-22,T-24 S- 18,16,9 Feb-Jul '11 Away from Home, after initial B date Aug-Dec '11 Back at Home on couch Dec '11-now Same bedroom, room mates only Dec '14 W files initial D paperwork