Of course, it annoys when your partner is always late, never attaches the shelf that has been promised for weeks or years, leaves dirty laundry lying around or always forgets something from the shopping list and never ends at parties.

But we also know that these things cannot be resolved in an argument.

The fact that these arguments can become extremely dramatic and that couples split up because of the classic tube of toothpaste that one never screws up or sloppily squeezes is because the real issues remain hidden and are therefore not addressed.

Esther Perel says people fight primarily over three things: