Aries (March 21 to April 19)
The first sign in the zodiac, Aries know what they want and are direct about it. Aries are fueled by passion and tend to get bored easily, so having a relationship that's fiery, emotional, and heartfelt works best with their ever-changing moods. Since Aries love to be number one, it's important that their partner knows this and treats them as such. Bold and ambitious, every relationship with this sign is sure to be a whirlwind of emotions.