The following seven signs that a summer fling might progress into something more serious, even if it is just a casual affair. These behaviors can indicate that the person involved in this relationship sees you as more than just a seasonal distraction. Monsta Toys rep, who identifies these signs, suggests that someone who introduces you to their friends and family might be more interested in a future with you than just their physical attraction. The company suggests that if someone is genuinely interested in you beyond their summer flings, they might consider taking the next step in their relationship. These signs include regular communication and frequent checks up on you, indicating that they are interested in more than the physical aspect of the relationship. They also suggest that someone with a serious interest will seek out your perspectives on various topics.