1. Putting all your eggs in one basket is a recipe for disaster
2. You need to keep some sense of mystery
As psychiatrist and author of All You Need Is Love and Other Lies About Marriage, John Jacobs says, relying on your partner for everything not only "puts an enormous amount of pressure on your relationship" but "having to handle such a needy partner is not very sexy". We've all been in the end stages of a relationship, where everything that you initially found endearing about your partner now seems to grate on your last nerve, and the chances of this happening are greatly exemplified when your partner knows absolutely everything there is to know about you. A sense of mystery keeps everything feeling fresh.3. You start to lose your individuality