Why do introverts like extroverts?

I am an extrovert (ENFP). However, my most serious relationships are with very introverted men. (INTJ for example)

I don't get them: they want silence and to be alone but then they want to be with someone who is chatty and enjoys connecting with people and trying new things on the drop of a dime. They get all fussy about being out of their comfort zone but then tail between legs follow you out of it. They bitch and whine the whole time about it then thank you afterwards. They seem totally disinterested then are flummoxed that you think they want to call it quits.

They tend to get very attached and fall very deeply. I really don't get it.

What is it that introverts appreciate about extroverts?

Why do introverts like extroverts?
Why do introverts like extroverts?
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