Researchers at Yale University have attempted to explain why we feel the urge to squeeze when we see something that it cute or adorable.

The participants were asked to rate the images based on their cuteness and were also asked to reveal how much the image made them lose control. The researchers found that the participants who looked at images which they found to be cute were most likely to lose control and have a desire of squeezing something or make a noise. They also popped more bubbles on a sheet of bubble wrap when watching the images instead of those which they did not find cute.
Explaining that the aggressive behavior could be due to a “high-positive” effect of overwhelmingly positive emotions, lead researcher Rebecca Dyer said, “We think it’s about high positive-affect, an approach orientation and almost a sense of lost control.”
Source-Medindia