No secret to successful marriage: Ajay Devgn

Actor Ajay Devgn, who is married to actress Kajol for 15 years, says there is no secret mantra to a successful marriage.
The couple tied the knot in 1999 and are parents to daughter Nysa and son Yug.
"I think one just needs to be happy and keep the other person happy. There is no secret mantra to a successful marriage, you just have to give other person as much importance and respect all your life. One just has to believe in commitment and things go right," Ajay told .