i am officially retired. would love to play again but not one to hang on either. the FB position is dying in todays game as you see every sunday, i even ask myself what teams even use one anymore? but i think guys who learn it and play it longer is because it's not an every down position. less physical tole on the body do to the fact that teams who use them and use them right only play 20-30 snaps. as to why its easier to learn it? is because its less skill and more want to than anything. yes an FB needs to block and block well but not all want to run into linebackers all day. an FB must be able to catch and catch consistently and when you find one that can do both block and catch they will be around a lot longer than any other position because other positions require alot more skill