Ghum Hai Kisikey Pyaar Meiin: Why the drama over Virat imparting driving training to Sai?

Virat was teaching Sai to drive a car. During the recitation, Sai hugged Virat in the middle of the road as a gesture of gratitude. But people were seen taking a jibe at this couple. Due to all this, there was tremendous drama in the house. just have a look