You will find tons of support here from people in very similar sitchs as you.
From what I gather, walkaway means that the spouse is disenchanted with the marriage and seems disinterested in fixing it. Wayward is more clear cut and involves an affair and the "wayward fog" involved.
Hang in there and chin up....you got a long road ahead.
T14 M5 SD15,D8,S6,D3 "Not Happy" 12/11/14 EA discovered 2/11/15 MC started 2/17/15 MC "put on hold" 4/3/15 W IC started 4/5/15 PA admitted 5/7/15 WW moves out 5/8/15 WW gets her own place 7/15/15