According to Miyares' wife, JoAnn, the decision changed his life.
( ( According ( to ( ( ( ( Miyares ' ) wife ) , ) JoAnn ) ) ) ( , ( ( the decision ) ( ( changed ( his life ) ) . ) ) ) )
(ROOT (S (PP (VBG According) (PP (TO to) (NP (NP (NP (NNP Miyares) (POS ')) (NN wife)) (, ,) (NP (NNP JoAnn))))) (, ,) (NP (DT the) (NN decision)) (VP (VBD changed) (NP (PRP$ his) (NN life))) (. .)))
JoAnn said the decision changed his life, and now he's feeling much better. 
( ( ( ( ( JoAnn ( said ( ( the decision ) ( changed ( his life ) ) ) ) ) , ) and ) ( now ( he ( 's ( feeling ( much better ) ) ) ) ) ) . )
(ROOT (S (S (NP (NNP JoAnn)) (VP (VBD said) (SBAR (S (NP (DT the) (NN decision)) (VP (VBD changed) (NP (PRP$ his) (NN life))))))) (, ,) (CC and) (S (ADVP (RB now)) (NP (PRP he)) (VP (VBZ 's) (VP (VBG feeling) (ADJP (RB much) (JJR better))))) (. .)))