You're welcome and, you'll be fine "old man." Age is all in the head until it isn't. I will be 40 next year and I still have a higher PFT (physical fitness test) score than all but one of my junior Marines. Darn high school track runners.
The Army says hooah (pronounced "who-uh"). Marines ooh-rah (pronounced as spelled). The Navy says hooyah (pronounced "who-yah"). The Air Force says hooah (pronounced "we're tired, send in the Marines").