The first category was that the partners did not feel that their same sex friends needed to know this information.
The environment that students are placed in often plays a role in whether or not they feel pressured into finding a casual relationship.
Robert Sternberg's triangular theory of love offers the type of flexibility that may be suited in helping this type of relationship become successful.
Casual relationships, being a mix between a friendship and a non-romantic sexual relationship, result in the partners facing many challenges in maintaining a working relationship.
The colleges and universities known for a larger alcohol consumption by their students seem to also have a larger number of students participating in casual relationships.