@loveless,
He is busy.
He is upset.
He is miserable.
He is in love.
He is in lust.
He has had an accident.
He has been arrested.
He has decided to re-look at his life.
He has lost his phone and his wallet.
He has a issue bigger than before.
He has slept erratically, not awake in the day.
He has taken a break from everyone.
He has lost his reason to live.
He has been abducted.
He has been asked if he would date an old lover.
He has had a drink binge.
He has had a drug binge.
He has decided family is important over Xmas.
He has not picked up his phone?.
http://www.youtube.com/watch?v=MH6TJU0qWoY