The sitting position allows both partners to control the tempo of thrusting, as they can each pull back from the other, and push forward toward each other.
The sitting position allows both partners to control the tempo of thrusting, as they can each pull back from the other, and push forward toward each other.
坐立性交姿势可以让双方控制插入的节奏，因为他们可以互相向后退也可以互相向前进。