What is Katrina Kaif scared of?

Bollywood actress Katrina Kaif, who is dating industry's most wanted bachelor Ranbir Kapoor, has a fear or loosing him after marriage. Talking to GQ magazine, Kat revealed about her greatest fear. "My greatest fear is that if and when I get married and I am standing at the altar or the mandap, he may not love me completely. That he may not know his mind well enough to be making those commitments. The anticipation of heartbreak is my only fear," the 'Bang Bang' actress said.