I am kinda old (25) to be starting out fresh,
Nonsense and Balderdash. I envy you.
Take a class or three besides having your brother take you to the range.
Look in the upper right hand of any page here at THR and look up the THR Library. Read.
Cruise thru the Strategies & Tactics forum. Do a search using the word "beginner" or "newbie"... read some more.
One caveat however. This is an addictive past time. From one firearm to 50 is not such a long leap. Feeding them has been described as "turning money into noise".
The political end of the spectrum... where to begin? OK, I won't. Focus on gaining a degree of mastering safety, the sights, safety, trigger, safety and various types of devices that go bang, safely. Responsibly.
You are about to enter a world of inner peace and outer turmoil. Very few cultures on this planet exist whereby this can legally happen in this fashion.
Once you've got IT (or the basics of IT), pass it on to the next generation and to any other "Responsible" friends. Learning IT can and will take a lifetime of easy and rewarding effort.
Oh yeah, jj, welcome to THR. Also, you might want to check out TFL and maybe GlockTalk and the 1911 Forum (and ALL the others). But call this place "home". There are some great and very knowledgable people here.
P.S. What type of hunting does brother do? Feathers or fur or both? And has he joined here as well?