Hey Ken,

You might try some two chord songs. The group America had a few and there is a bunch of old blues stuff that lays it down in two and sometimes even just one chord, the player plays and vocally riffs over.

Sound like you're on the right track and have a good practice ethic.

Here's a thought - perhaps set a practice target other than time. Maybe a particular task - like picking the first half of a scale, or the first few bars of the chorus of a favorite song.

Main thing is to hang in there and have fun.