A new survey says that 29% of adults have not done this in more than a year because of the coronavirus. What is it?

A new survey says that 29% of adults have not done this in more than a year because of the coronavirus. What is it?

A new survey says that 29% of adults have not done this in more than a year because of the coronavirus. What is it?
Ans: Hugged someone who was not part of their family.