It's the expectation from society as a whole that gives you some sort of pressure that you are missing out. It's a facade, the happy relationships that you see it's what they sell to believe that they are happy. It's what they also sell on TV, movies and magazine in order to make you think that it makes you complete. It's just a temporarily feeling of happiness due to neurotransmitters in your brain, which changes over time. If you have sex with an escort dopemine is released which gives you a good feeling. But in the end all happiness comes from inside, not from external factors. That's why should focus on goals and work hard to get there, it makes you a stronger person in the long run.

A woman will not make you happy. As she can only be an addition to that, unless she is a parasite feeding of your greatest asset: Time. Essentially women are emotional vampires living of your attention, energy and resources like money. Whatever you do for a woman it's never enough, they're never satisfied, the constant nagging and complaining over little things that do not matter. They always think the grass is greener on the other side. Never give your heart to a woman, the only one that ever will love you unconditionally is your mother.