Because people bye more before New Year’s Eve and capitalism
Protein is something that produces muscle mass, it is composed of amino acids which are compounds of carbon,hydrogen, oxygen and etc. Protein is mostly in animals products (meat,dairy, eggs and more) is can also be in nuts such as almonds and peanuts. A lot of people put something called “whey powder” into drinks to get protein easier (but in my opinion it makes drink grainy).
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<h3>The blood in the pulmonary artery is going to the heart to collect oxygen, and therefore has a low content of oxygen. So, the blood in the pulmonary artery is a violet colour because it has low oxygen. The blood in the pulmonary vein is oxygen rich, and so it gives a scarlet</h3>

Mental: self esteem is good and you feel confident
Social: meet new people if you go to a gym, can hang with your friends if you exercise with them
Spiritual: you feel like you belong
Physical: physically fit and a good body weight
Emotional: feel good aboit your emotions because you have good mental health