Whenever Im playing my guitar, my pinky always seems to go off by itself naturally, and I never see anyone else's pinky do this when they play guitar. Is this a problem that I shouln't worry about or are there exercises that I can do to correct this.

On a related note, also when I play and I see myself in a mirror, my fingers lood very spread apart on the fingerboard. Like when I play powerchords or just playing individual frets, and again when I watch others they can keep their fingers together so again I dont know if its a problem or not, but it seems weird to me.