Neosporin would work great for cuts and scrapes .
Answer:
In my opinion, I think being happy and sad at the same time can depend on what just happened. Maybe its a extremely happy moment, and you start crying. So you are happy and sad at the same times. If your life does not have a extremely happy event, and you get happy and sad at the same time, it is a bit bad.
For the second question, if you tell someone with a valid reasoning, it won't be that you are a attention seeker. If you just told more than one person "I'm happy and sad" you are.
It is C because you always have a chance that you will cause an injury. No matter how fit you are you will expeirence fatigue at some point. and it is good to change ur exercise routine but dont completely quit it