Still having issues with tense: you really need someone to proof-read for you.
More seriously: "On a quim" is really not what you meant to write, trust me.
"On a whim" is the appropriate phrase: please look up the word you used in error and don't use it again unless you really mean it...
Author's response
Yes that is supposed to be whim... I wonder if I can to rate the chapter nc17 cause of that typo.. (Sweat drops)