I don't think it is strange at all. My EW BD'd me a year ago and never lifted a finger to move towards divorce. I did all of it myself, and she even told me that she wasn't "ready" for it, despite leaving me 9 months earlier and taking up with OM 7 months earlier. They are in a fog and just go wherever their emotions lead them that day.
That said, the sooner you stop worrying about where her head is the better will be for you. You can't understand it, and you definitely can't control it. Letting go of all that is quite freeing. You have a great future out there waiting for you.
W 34 Me 42 Married 7 years together 8 0 kids 1 beloved dog BD 4/6/2018 I moved out 4/7/2018 I moved back in alone 8/05/2018 I file 3/06/2019 D official 5/7/2019
