Scorpio is a water sign, while Capricorn is an Earth sign, and only Earth can control the flow of water.
Capricorn likes to think and plan for the future. They think logically and create an estimated timeline by when they should get married, have kids, and so on. Scorpio is an emotional being and gets things done following the heart. They are happy to follow a Capricorn’s plan if they feel they can build a future together.