I wrack my brain wondering when exactly did he stop wanting to do did he things? Did I do this to him like he said?
Kas, the extent of your control was to support, be neutral to, or oppose his GAL activities. Even if you opposed them, the ultimate choice to stop (versus continuing despite you being upset, or leaving you to continue) was his. I say that as someone who's consistently had partners who opposed my solo GAL activities. I feel so, so blessed that my current partner has been supporting me in them so far.
May'19 - Girlfriend of 2yrs left. Aug'19 - We became a "broken" couple (I needed validation, she screamed). Dec'19 - We gave up and went NC. Mar'20 - I've changed and she's eager for MC and us again.