I think the idea you are going for is best said as "you are like two peas in a pod." This means that the two people are very similar.

They seem good to me! Some other idioms that are used for this thought are: - You are like two peas in a pod - You are the spitting image of each other (the original meaning of this phrase is unclear) - You're a dead ringer of him - you're his doppelganger - You're the image of him