Incongruent

Humanity has achieved everything. This is its golden age and still Ursula is depressed.
In this age, when life is so easy and comfortable. She wonders how can she be so disheartened?
Nevertheless, she has the drive to keep on living, after more than 15 millennia, she still desires to keep on living. She created this world order. How can she abandon it?
She shaped this society, where everything is freely available, where people have forgotten greed and enjoy a simple lifestyle. They walk nude, showing off their perfect young bodies that can live forever.
Civilization is at a standstill; perfection has been achieved on Earth and nobody wants to explore the cosmos, potentially full of strange civilizations and dangers.
Agatha, the IA which is embedded in every human mind and keeps the world running, discovers that extraterrestrial have reached the solar system.
She needs Ursula and Andrew to help her deal with this threat. Is there a way to bring this couple together again?