Relationships are the most important thing in your life.
However it is the only thing that can bring fulfillment in your life.
Building businesses and charities is even more fulfilling then relationships if they are big and can change the world.
Look at the example of Jack Ma. He is short, ugly and dumb, but he never gave up hope in life.
If you do not want your life to be a genetic dead end, you can use surrogacy to produce a son or a daughter though IVF.
If you can access high quality ova, then you can be sure that your children will be tall, smart and healthy.
You are a male, and you will retain fertility till you are 70 or 80.
Do not take your own life, it is going to hurt everyone around you. There are more things that you can live for beyond relationships.
Money buys a lot of things.