Why are your eyes shining? What song is it?

This song is called "I admit that I don't love you enough".

Some lyrics:

Why are there always stars at night?

Why do your eyes always shine?

Why does coke always have ice?

Why do I always have to listen to your heartbeat,

Why are there always stars at night?

Why do your eyes always shine?

Why,

I admit that I don't love you enough,

But it doesn't affect that I will miss you.