There's no need to beat yourself up about it, or even call it "regression". You had capacity to make progress for a while, and you did. Then stuff happened, and

There's no need to beat yourself up about it, or even call it "regression". You had capacity to make progress for a while, and you did. Then stuff happened, and you no longer had extra capacity. But you used the time wisely, and as you heal you'll still be in a better place than you otherwise might have been.