Heartstrings (noun)

1. Emotions that are deeply felt and easily stirred.
2. The emotional feelings that one has for someone or something.

Origin:

Compound word heart + strings, refers to the emotions that are deeply felt and easily stirred.

Examples:

1. The movie tugged at her heartstrings and she couldn't help but cry.
2. The music played on his heartstrings, reminding him of the love he lost.
3. Heartstrings refer to the emotions that are deeply felt and easily stirred.
4. It is also used to describe the emotional feelings that one has for someone or something.
5. Pulling on someone's heartstrings is a way of evoking a strong emotional response from them.