What are some idioms related to love and romance?

There are numerous idioms related to love and romance. Here are some examples:

1. Head over heels: To be completely and deeply in love with someone.
2. Love at first sight: To fall in love with someone immediately upon meeting them.
3. Love is blind: To be unable to see any faults or flaws in the person you love.
4. Lovebirds: A term used to describe a couple who are very much in love and affectionate towards each other.
5. Tie the knot: To get married or enter into a committed relationship.
6. Lovey-dovey: To be excessively affectionate or sentimental in a relationship.
7. Love triangle: A situation where three people are involved in a romantic relationship, often leading to conflict or jealousy.
8. Cupid's arrow: A metaphorical representation of falling in love or being struck by love.
9. Break someone's heart: To cause someone emotional pain or sadness in a romantic relationship.
10. Pitter-patter of little feet: A phrase used to describe the sound of children running or playing, often associated with the idea of starting a family.

These idioms are commonly used to express various aspects of love and romance in everyday conversations.