An exclamatory sentence makes a statement that conveys strong emotion or excitement. ... Your friend is trying to convey excitement and instead of throwing in some emojis, she uses exclamation marks.

Why do we use exclamatory sentences?

One of the four main sentence types in the English language, exclamatory sentences serve the purpose of expressing strong emotion.

What effect does an exclamatory sentence have on the reader?

An exclamation mark shows shock or surprise. It lets a reader know that they should add emphasis to a sentence. With exclamation marks, 'less is more' is a useful approach. They become more effective the less they are used.