Going to an engineering college where the demographic was 99% male, I guess I was determined to finish alone ;). But honestly 100% agreed with your point, even with online dating, a lot of people end up dating people they know or people they meet through a common friend.
“The purpose of life is not to be [superficially] happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.” - R.W. Emerson
“Many persons have a wrong idea of what constitutes true happiness. It is not attained through self-gratification, but through fidelity to a worthy purpose.” – Helen Keller
“Through love alone can man find the kingdom of heaven for which he has sought since his beginnings. Only through living love as a principle can he find the happiness, peace and prosperity which lie in his heart as the greatest of his desires.” - Walter Russell
Having a 15 to 30 minutes nap when my brains is mushy usually allow me to reset and get my mind in a more energized state, might be worth trying for you too.