I haven't played for about a year (twenty years of playing before that), but yeah, the hard fingers make it easier to move around the fret-board. Not too good when you're stroking your Misses' juicy bits though...
si senior, that's about all I know in Spanish. but yes that's the idea. play hard buddy
That's the basic purpose
First you develop calluses, then later your skin just becomes thicker - no rough bits.
The calluses help harden your fingertips and over time, you develop a very sensitive touch. It truly allows you to make your guitar talk.
thats how it works
Most pla<x>yers I know are proud of their callouses and like to show them off, myself included. It's shows you have been playing a lot. Sort of a badge of honor. But yes, I think it makes it easier to play after you develop them. I've never noticed any negative effects. Speaking of Badge...great Clapton song :-)