A Simple Survey: Please Feel Free to Consult with Us (But Use at Your Own Risk) said:
Modern marriage counseling sites had become quite convenient.
In addition to the fixed categories of age and occupation, you could also input whatever keywords you wanted to indicate your desired attributes in a partner.
Elf, princess, white skin, blonde hair, looks like a loli but is actually immortal, speaks like an old lady, somewhat full of herself, can do housework nevertheless, can use magic and such, is the best when she is angry, full of overpowered abilities that give her complete control over the outcomes of every battle in the world.