Answer:
An action done on mosquito bites
What's made of water but if you put it into water it will die?
I have married many woman but has never been married
I am the tool for inspiring many. Buy me in the store for not much more than a penny. Don't overuse me, or my usefulness will go. What am I?
When you take away the whole from me, there is always some left. What am I?
The answer I give is yes, but what I mean is no. What was the question?