P??itiv? m??ning? (th?ught?) give ri?? t? positive emotions. N?g?tiv? m??ning? (th?ught?) give ri?? t? negative ?m?ti?n?. Positive thoughts d? n?t giv? rise t? n?g?tiv? emotions ?nd n?g?tiv? thoughts d? n?t giv? ri?? to ???itiv? ?m?ti?n?. N?g?tiv? emotions d?bilit?t? ??u mentally, ?m?ti?n?ll? and ?v?ntu?ll? ?v?n ?h??i??ll?. Let's refer t? ???itiv? meanings as green th?ught? (giv? them th? 'go' ?h??d) ?nd n?g?tiv? th?ught? ?? r?d thoughts ('?t??' them in their tracks). In life ??u ???k to get a gr??n light wh?n?v?r you ??n. You are h???? wh?n ??u g?t them ?nd they let you k??? m?ving f?rw?rd. Red light?, on th? ?th?r h?nd, ??u?? you unn??????r? delays, ?l?w ??ur ?r?gr??? and ??n ??u?? you ?tr???. Th? ??m? i? tru? ?f green thoughts and r?d thoughts.