You are right. We can't lump all scenarios into one box. When I say "them" and "they " meaning WAS , it is a generalisation and a convenient term but to all sitches are not the same.
I think the GAL does make you more attractive because it is clear that you are not falling apart but getting on with life. But I think that it is the mental leaving that they pick up on. And I don't mean by becoming involved with someone else. Just that YOU have assessed the situation, faced it head on, acknowledged the worst that could happen and are moving on without them if necessary.Even while striving for the healing of the M. It is the "without them" part that seems to trigger a little something in some brains. And this can happen without being involved with anyone else.