i'm so happy you were always on my

i'm so happy you were always on my
i'm so happy you were always on my

i'm so happy you were always on my
我很高兴你常驻我心.

我非常高兴你一直在我脑海里。

on ONE'S mind
指挂在心上，使人担心
句意是：我非常高兴你一直在我脑海里。
通俗点就是我很开心我一直记着你

我很高兴你一直都在我的脑海里