Hippie love child, punk teenager, pre mid-life crisis victim

I shall the effect of this good lesson keep, As watchman to my heart. But, good my brother, Do not, as some ungracious pastors do, Show me the steep and thorny way to heaven; Whiles, like a puff'd and reckless libertine, Himself the primrose path of dalliance treads, And recks not his own rede.