Astronauts are weightless and can sleep in any orientation. However, they have to attach themselves so they don't float around and bump into something.
Those two are blindly enraptured with each other right now but they say first meeting someone is the first step toward goodbye. I wonder if they're aware of that.
intransitive verbGodan verb with 'ru' ending
2.
to be in high spirits; to be ecstatic; to make merry