I think these are positive signs that your GAL and detachment are working! I know it is hard, but don’t stop doing it. Continue GAL and keep minimum contact. Wait for him to reach out to you again.
I’m sure that long time members on this board will have more to say.
M:50 H:52 S28 (my S from previous marriage) M:17 + 3 BD: 06/12 S: 06/12 - H works in another state