Missionary is often seen as the default sex position, and while it may be common, Barbara says it points to a positive relationship.
Barbara says: "This position offers deep physical and emotional connection but at a slower, more nurturing pace.
Barbara adds: "If one partner prefers this position overwhelmingly, it may indicate a subconscious reluctance to engage in deeper emotional connection.
However, the sex expert says the lack of eye contact and face-to-face intimacy can be revealing to how well your relationship is going.
She says: "This position often signifies a deep emotional connection.