Answer:
Hot tempered and sometimes it blows its top, making a mess of everything.
The more you have of me, the less you see. Who am I?
The profession of Jimi Hendrix and Eric Clapton
White and thin, red within, with a nail at the end. What is it?
What is filled with air and sometimes a gas, tied to a string and often seen on your birthday?
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.