The phrase "boys sticking to girls" has different meanings in different contexts. In some cultures, sticking to girls may be seen as a way to show closeness, friendliness, or concern, such as hugging, touching, or kissing. These behaviors are often thought of as a way to express emotions and can also be a sign of intimacy between the two parties.
However, in other contexts, boys posting girls may be sexually suggestive or harassing. This behaviour may occur in inappropriate situations or without the consent of the other person, causing discomfort or distress to the girl. Therefore, when interpreting this statement, we need to consider the specific situation and the relationship between the two parties. If the boy's posting of the girl occurs in an intimate relationship and both partners are willing to accept it, then the behavior is generally considered a normal expression of emotion. However, if the behavior occurs in an inappropriate situation or without the consent of the other party, it may be sexually harassing. 
Therefore, when interpreting the term "boys sticking to girls", we need to consider a variety of factors, including the specific situation, the relationship between the two parties, and the purpose of the behavior and the feelings of the other person. Only then can we accurately judge the meaning of this statement and take appropriate action to deal with the situation. 