[Ensam]

All kidding aside you nail it with:

Quote:

Unfortunately there was no net benefit to the team, because his energy allowed him to run roughshod over correct advice from wiser heads, but I was truly envious of his energy.

Sounds more like he's manic than high energy. If you're not able to focus your energy what good is it? Take good care of your body and work within your limits. Don't worry about other people - they might just have a drug problem.