Answer:
attraction-similarity hypothesis
Explanation:
According to the attraction-similarity hypothesis, the more similarity people share together, the more the attraction they have between each other, which would easily make both develop romantic relationships. For example, if two persons are from the same religion, studied medicine and are practicing in the medical field, they are from similar family background, the possibility of both developing romantic relationship is high as both would typically get attracted to each other or want to be around each other.
