The little boy and marmot are not lovers' heads, but girlfriends' heads. The little boy and the groundhog represent the friendship between two people, and represent two good friends who grow up together and are like family.

The so-called couple's head portrait refers to a pair of head portraits, which can be real photos or anime characters. Generally, there is a portrait contrast between a man and a woman. Similar to the names of couples on the Internet, the portraits of couples are favored by the majority of non-mainstream couples.