Katrina Kaif and Ranbir Kapoor have been in a relationship since quite long now and the buzz is that the duo might plan their marriage soon too.

However, Katrina recently talked about her love life in length and her words suggest that she is a bit insecure about her relationship with Ranbir.

Ranbir's girlfriend said that marriages and relationships often suffer cracks these days and also revealed that her only fear is the anticipation of heartbreak.

"See men and women, they are different. Women give birth to babies, men don't. We can't say equality on all levels, we are all the same. No, our biological needs and bodies are different. Men have been the hunters and philanderers. Being with an actor has its own set of issues, but the basic differences arise because men are men. Cheaters will cheat anywhere," Katrina said in an interview with GQ.

"Look around us, marriages and relationships are in trouble everywhere. The lucky ones are able to find selfless love that transcends ego and insecurity. The back of my head wants to believe that I am lucky. But the front of my head says be careful. I don't think I can make such claims because was it selfless love, then I would not feel the need to assert myself as much in the relationship. I would be more tolerant. I don't want to be tolerant. I don't want to accept it. I want to fight. I want to get what I think I deserve," Katrina said while talking about her relationship with her boyfriend.

Talking about her greatest fear, Katrina said, "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."

Earlier, Ranbir reportedly said that he and Katrina are planning to get married by the end of 2016.

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