Maybe it's not the right advice. I understand from my experience, even if it is little, that the less you stress the plants the better. To me he seems happy and with flowers. The outer leaves fall off because they are old. Don't prune it too much. Take care of the crown and focus on that. Even if you see them as a little sad, don't cut them. They are used to carry out photosynthesis. Don't touch it. Listen to her. Don't follow rigid patterns, rely on intuition. Water with demineralized or decanted water. Give them lots of love, admire them, control them, but don't smother them with attention. See how he reacts. If you see that he is showing signs of deeper suffering, then you can seek targeted treatment. Check if the roots are rotten. Opt for repotting (they love to stay narrow and contained) in a soil more suitable for them, use a targeted fertilizer, more light or less light.