Overlapping stuff is very good too. If you decide on a date, think of a "project" that starts before the end of therapy and continues on after that's all "yours." You can talk about the beginning of it while still in therapy and then transition to still having it afterwards. Planning a big trip for a couple months after therapy terminated was great for me. My school plans (still ongoing) were helpful too and I have a major hobby interest I have plans to travel for -- it's great to have things to pull you "forward."

I had a couple little routines for when I was in therapy, for the drive to/from each session which was over an hour each way. I moved around the routines so they weren't just for therapy and added a few on other days that weren't related to therapy.