Here`s another useful phrase about love: “to be head over heels in love.”
This phrase means to love someone a lot or to be madly in love.
The image is that you’re so in love that you cannot stand up and are falling forward, you’re so in love you cannot control your ability to walk.
A: Bill and Stacy look like they’re head over heels in love with each other.
B: Yeah, they look so happy together.
I’ve only been dating her for a short period of time but I’m head over heels in love with her.