Or too old to fall head over heels for someone?

From the very start, she was pretty much head over heels.

Within days of meeting him, I was head over heels in love.

The wife was head over heels in love with another woman.

Just a man in white who will make her fall head over heels.

I would be head over heels, except I'm in love with someone else.

They fell head over heels in love and my real Mother returned.

"But it's easy to fall head over heels with what you can get when you're out here."

They often fall head over heels at the first sight of a potential relationship.

She went down head over heels, crashing hard on the floor.