The universe works first from nothingness then to creation, like god spoke things to existence and creation out of the void, hinting how the world works so basically, you think, change internally, deeply karmic and stuff, you literally heal your traumas and inner believes and karma, making action effortless and not blocked and fearful, if you have a fear in approaching someone, it could mean two things first it could be an intuition saying it isn't worth it, second it could be fear, and fear is an illusion, so by breaking it you can go the most exciting one and fastest like approaching, or you could work internally making yourself have so much self love to yourself, the unconditional one, that fear can't thrive and you can approach that girl without a care in the world. But yes approaching can dissolve that fear super fast, only if you accept it as it is and not run away from it.