1984 Restrictrion

Why would they discourage love and emotional interaction between humans? Does this feeling really bring rebellions among the people? When Winston and Julia had intercourse they discussed that the feeling and desire of the bonds between people bring new thoughts and calmness or a sort of freedom. Since they are in a place with no emotion or desire for another they blindly follow Big Brother and the hate. They have nothing to be desired so they are too enthralled with The Hate and speeches about hate. The Question is would the emotion and desire of love being taken away really make them a slave to what Big Brother's ideals are and his world?