How can you make exercise a habit?
a. save time by not keeping records of progress.
b. exercise any time of day, even if you don’t exercise regularly.
c. mark exercise on your calendar as an appointment each week.
d. view exercise as a major investment of time.

The answer is organisational websites.

True your body needs vitamins such as protein, vitamin d, fish oil etc

True, this is when someone has mood swings

Personality is a mixture of characteristics/qualities that form an individual's distinctive persona. it can be influenced by environmental and biological factors; one's culture is a most important factor that shape personality. extreme mood swings, unstable relationships, distorted self-image, impulsive/risky behavior, explosive anger, chronic feelings of sadness/emptiness, etc. these could indicate that someone could have a personality disorder.