If facts, logic, and scientific procedures are all just arbitrarily "socially constructed" notions, then all that is left is consensus--more specifically peer consensus, the kind of consensus that matters to adolescents or to many among the intelligentsia.
我的艺术是我对生活混乱的反抗。
Music is my redemption and also my shackles.
The human brain is a social brain, and it evolved to deal with social relationships.