More than two centuries later, the famed evolutionary biologist Charles Darwin took a different approach to the same problem. Wondering whether to get married or not, he spent a few days writing down the pros and cons. After seeing that the former did indeed outweigh the latter, he began to consider potential candidates: colleagues, friends, acquaintances, family members. All of a sudden it came to him: his charming, intelligent, cultured cousin Emma would be perfect. He asked for her hand, they married and had children, and she proved to be an invaluable asset, both supporting his scientific work and tending to his numerous health problems. They too lived happily ever after.