The mutual feeling when you and your girlfriend (vice versa) haven't seen eachother in a while (2hr-days/weeks)so you're awkward/uncomfortable. Not yet back in the flow.
ex.1
ex.1
ex.1
ex.1 Why are you being so weird? Are you feeling apartness retardation?
ex.2
"Im so nervous to see him"
"Why? I thought you saw him two hours ago?"
"Yeah, but I just know Im gonna go apartness-retarted-mode and only talk about our lecturers..."