It opened up my mind again, which had locked itself in as a defense mechanism against a predictably cruel world, to appreciate, embrace and praise the Mystery. (nakedpastor.com)
I like to use humor as a defense mechanism for addressing the real issue at hand: my insecurity. (stillbeingmolly.com)
Its actual purpose is to act as a defense mechanism, protecting the plant from pests. (globalhealingcenter.com)