Lyric discussion by Berniemakaveli 

I'm pretty sure he says "I regret never letting you know" instead of "I regret ever letting you go." I'm not 100% on the line but I'm positive he says never

Yep, I think you're right.

Yeah, I hear it too.

He does say I regret never letting you know. That's what's written in the CD booklet lyrics.

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