Dating link suggest
They, in most cases, will have more than one sexually active partner at a given time.
They also find it very hard to picture a relationship getting serious.
Any partner that is not fully dependent upon the other typically controls the casual relationship.
Another major concern is that one of the partners will develop romantic feelings for the other.
Communication between the two partners is essential to making this type of relationship work and because the partners in the casual relationship are often friends beforehand, talking to one another is a much simpler task.
The dependent partner is more submissive to their dominant partner as they do not want the relationship to end.
This allows the less dependent partner to be able to fix and maintain the relationship the way he/she wants it to be.