Compromise can be fun.

Simon:  Thar be a merchant ship within range.  Fly the Jolly Roger and prepare to board!
River:  What?  No!  We're spacebuns and our spaceship is at warp factor 9.
Simon:  Oh.  Well, can we be space pirates?
River:  ...Okay!

Compromise.

Simon and River's solution to occupying the same space at the same time.