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What @Moose408 is good advice. Don’t beat up on yourself and supplemented TAC (practice) with easy songs (an actual game).
I looked at your profile and noted that your goal is to play and you recall the joy you shared with music and your Mom. I too am recently retired and lost my Mom in 2022 so I relate with your goal. But it isn’t specific enough. You might spend some time thinking about what it is that you actually want to do. I want to play like a piano lounge singer plays not a concert pianist. I want to share songs even if I am an audience of one. They don’t have to be good and I don’t have to be good. But I need to have songs not just techniques and licks, scales and chords. And I do have all those now over time but all along the way I am enjoying a song or two.
So I would suggest using some of that “retirement” time to ponder and get very specific as to what you want to do regarding guitar. A friend of mine says anything worth doing is worth doing poorly at first. But doing TAC isn’t the goal and playing guitar isn’t the goal. The goal is more intrensic and unique to you.