看影片時，有句台詞是
I think I only agreed to play spin the bottle because you guys were so
excited about it.
接意思來看的話，only 應該要放在because的前面才對呀，
這句應是I think I agreed to play spin the bottle only because.....
但顯然美國人不會這樣講。
有哪位高人可以解釋一下only的用法嗎？對only的位置一直很困惑

這是副詞用法：I only/quite/totally... agreed ...

謝謝