is about the need to stay in touch with your own skin , at 18 or 80 
(ROOT (VP (VBZ is) (PP (IN about) (NP (DT the) (NN need) (S (VP (TO to) (VP (VB stay) (PP (IN in) (NP (NP (NN touch)) (PP (IN with) (NP (PRP$ your) (JJ own) (NN skin))))) (, ,) (PP (IN at) (NP (CD 18) (CC or) (CD 80))))))))))
(ROOT (VP (VBZ ) (PP (IN ) (NP (DT ) (NN ) (S (VP (TO ) (VP (VB ) (PP (IN ) (NP (NP (NN )) (PP (IN ) (NP (PRP$ ) (JJ ) (NN ))))) (, ) (PP (IN ) (NP (CD ) (CC ) (CD ))))))))))