All Rahul Gandhi doing is just making fun of himself. He is competing to become a leader of a country, which means he has to maintain some dignity and act mature. Seeing recent events, forgot about being leader of a nation, he is not even fit to become a rival candidate.
A hug should denote that you care for the other person, but RG was not sincere in this case. It is amply evident from his wink after the hug. He tried to score political brownie points and failed. After all training can take you only that far!
10 Reasons Why We Need at Least 8 Hugs a Day
Hugging therapy is definitely a powerful way of healing. Research shows that hugging (and also laughter) is extremely effective at healing sickness, disease, loneliness, depression, anxiety and stress.