My sister keeps doing the same things that i do, wanting to get the same tattoo ideas on the same placements. why does she? i know i didn't invent tattooing and getting flowers tattooed is not copying because it's so universal.why does it bother me?

You are fortunate that You do not have any other problems in life. There must be 500 or so persons who know both of you. Out of those, 400 are busy in their own life. Most likely 50 have no interest in your tattoos. Are you going to make your life miserable for 50 persons. Imitation is the ultimate real flattery. Great minds think alike. Hope it helps.

If it is your younger sister, she is doing it because she adores and wants to be like you. Take it as a compliment. Regarding your feeling, counter-intuitive as it may seem, exercise may help. Start with low intensity exercise such as walking and gradually increase the intensity as tolerated. Drink more water. Wish you good health!