But [eating certain] foods will not improve our relationship to God; we are neither any worse off if we do not eat [certain things], nor are we any better off if we do eat them.

So, if a woman does not cover her [physical] head [i.e., with sufficient hair or a cloth shawl], she might as well cut her hair off. But if it is a shame for a woman to cut her hair off or shave her head [See note on verse 5], then she should have her head covered [i.e., with hair or a shawl].