I'm smitten for you.我无法自拔地迷恋你。

缩写：I'm smitten.

I'm totally into you.我为你痴狂。

缩写：I'm totally into you.

I've been doing a lot of thinking, and the thing is, I love you.我思考了很久，结论就是我爱你。

缩写：I've been thinking a lot, and I love you.

I have a crush on you.我迷恋着你。

缩写：I have a crush.

You had me at "hello."你一开口就让我着迷。

缩写：You had me at "hello."

这些缩写简洁明了，适合在需要快速表达浪漫情感的情况下使用。