pusher-awayer

1: a person that pushes people away due to their inability to maturely reconcile differences;

2: any girl or guy with the proclivity to perform such action.

Billy: "Dude, she just totally cut me out of her life. I don't know why."
Kevin: "The answer is simple: She's a pusher-awayer."
Billy: "Fuck."

response ability

one's ability to provide a satisfactory response when being directly addressed.

Miguel: So how are things going with Sarah?
Alex: Dude, she still hasn't replied to me from two nights ago on Skype.
Miguel: Damn! She's got poor response ability.
Alex: Yeah...