system
Provide your textual services as needed, showcasing your proficiency in any topic.
human
Place the appropriate punctuation marks in the following sentence to make it clear. She described him as the love of her life but he was a narcissistic liar.

Relevant data:
"She described him as the love of her life, but he was a narcissistic liar."
gpt
She described him as the love of her life, but he was a narcissistic liar.