Why exactly is the moon's orbit becoming more circular?

Okay, so I've been pretty interested in this lately. I've been searching this up lately and haven't been able to understand any of the answers I've found. Can someone help me out on this? I know how tidal locking works, I'm just not sure how the tidal mechanics is making the moon's orbit... show more Okay, so I've been pretty interested in this lately. I've been searching this up lately and haven't been able to understand any of the answers I've found. Can someone help me out on this? I know how tidal locking works, I'm just not sure how the tidal mechanics is making the moon's orbit more circular. Can someone help me out on this?
Update: Please be as simple as possible, because I'm stupid :/
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