An actor's popularity is fleeting. His success has the life expectancy of a small boy who is about to look into a gas tank with a lighted match.
The last time I saw him he was walking down lover's lane holding his own hand.
You can take Elvis. You can take Marilyn Monroe. Success and fame will not be...
People could rationally decide that prolonged relationships take up too much time and effort and that they'd much rather do other kinds of things. But most people are afraid of rejection.