who perfectly portrays the desperation of a very insecure man 
(ROOT (SBAR (WHNP (WP who)) (S (ADVP (RB perfectly)) (VP (VBZ portrays) (NP (NP (DT the) (NN desperation)) (PP (IN of) (NP (DT a) (ADJP (RB very) (JJ insecure)) (NN man))))))))
(ROOT (SBAR (WHNP (WP )) (S (ADVP (RB )) (VP (VBZ ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (DT ) (ADJP (RB ) (JJ )) (NN ))))))))