Crying uncontrollably when losing, being unable to wait for commercials to end, or shouting because they are not allowed to go out with their friends are situations that show a certain difficulty in managing frustration. "Frustration is a skill that must be trained day by day, because we will encounter it throughout our entire life," asserts the educational coach Mar Milán.

If you've asked yourself this question before, there's probably a basic idea worth revisiting: sex isn't about pleasing. Or, at least, not just about that. Because when we understand sexual relations as the other person's responsibility – as if they should know exactly what we need or how to make us enjoy ourselves – it's easy to end up experiencing sex with frustration, pressure, or disappointment.