magicastrology:

capricorn is secretive because they are afraid of revealing their flaws. they fear being ridiculed and are perfectionists who want to maintain their image. capricorns are afraid of being treated as less than their reputation. they don’t want to seem weak. ultimately, they desire control over their own lives and cannot afford to risk that by exposing themselves to others.

scorpio is secretive because they fear being taken advantage of. they don’t let people inside, because if they do someone may discover the things that make them vulnerable. as a water sign, they are incredibly emotional, so they feel the need to control their emotions before someone uses it to hurt them.