What would "sheets catching on fire" mean to you when describing a guys reaction to a girl. What would you think?

This guy was talking about a girl and my friend said he wouldn't make eye contact with her but she described his reaction to bed sheets catching on fire after he said her name. Please mature answers 🙏 thanks!

What would "sheets catching on fire" mean to you when describing a guys reaction to a girl. What would you think?
Post Opinion