I am some what ticked because he didn't communicate his unhappiness until till late.
You said yourself "I had become dependent and wasn't happy around him/paying attention to relationship". Did you really need him to tell you he wasn't happy about that? First thing you need to do is quit blaming him, usually people find themselves here because BOTH spouses were on autopilot and not filling the needs of the other. Inevitably one is OK to keep muddling on in that unhappy situation, but the other isn't. The one that checks out isn't going to do any work to save the M, so the other (you) has to do 100% of the work if they want to save things.
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He indicated previously, I love you but something is missing.
Very common to hear that, we call it "ILYBINILWY" around here (I love you but I'm not in love with you).
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I know he is concerned that my turn around isn't permanent because he said so.
Yes that's typical as well, they think we do it as tricks to get them back. You have to be consistent over a long period of time before he'll believe you've really changed.
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We had agreed to do something together once a week and it's almost been two. Do I try to schedule something for when he supposedly comes back on Saturday
No. It's not helping and is probably hurting. Just back off and remove all pressure from him. Work on YOU and leave him to figure things out on his own.
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I am just confused because I feel like husband is more confused with being given more space...
He is, because he expects you to mope around, beg and plead for him to come back. So when you back off and leave him alone he wonders why. He will temperature check you now and then hoping he can keep you on as Plan B while he pursues his new life. DON'T FALL FOR IT. He needs to think he will lose you before he'll think about coming back, and to make him miss you you have to become the best "you" that you can be. Dress better, wear perfume, lose weight if you need to, join a club and get fit. He'll notice even though he'll pretend not to. Get out and GAL, that's the best thing you can do right now. Good luck!