I've always heard that girls/woman do mature faster, they're something around 3 years ahead and it felt reasonably cuz I've noticed that majority of relationsh

I've always heard that girls/woman do mature faster, they're something around 3 years ahead and it felt reasonably cuz I've noticed that majority of relationships in my circle are like that - woman is 2-4 years younger. I think it could explain successed in formal education I feel like this gap starts closing around 20s