Answer: I got this same question and I was looking for the answers and could not found it but this I what I put. Food nutrition labeling by the FDA is important because it gives customers the ability to view the ingredients listed and find what they are looking for. For example women need more calcium to prevent brittleness in bones.
The reason people cry are for two reasons; One Reflex: the tears are cause by a reflex, from irritants such as wind, smoke, or onions. They are released to flush out these irritants and protect the eye. Emotional: Humans shed tears in response to a range of emotions. These tears contain a higher level of stress hormones than other types of tears.
-Hope this helps-
Love is needed because people d to be cared for loved and treated equal were all the same and without love we would live in a world of hate.