In my mind, a set parenting schedule with W will free up some times for each one of you to GAL with the knowledge that the other parent is looking after S11. This allows you to have space to be a parent and being yourself without those assumptions and expectations built in which usually leads to disappointments when they're not met.
What you're doing is a lot of mind reading. Don't get ahead of yourself.
You've been advised to respond to W accordingly and promptly when the occasion calls for it. I get the sense that you're starting to get the hang of this process and you're now over thinking things. Don't go there.
