Too Many Thoughts

The person is saying they have a lot on their mind, but instead of thinking about problems or solutions, they're darkly hinting at suicidal thoughts with the mention of a 9mm pistol, which is used in a dark, sarcastic tone.

• 9mm
• Head
• Depression
• Suicide
• Sadness
• Gun

• What's overcrowded and uncomfortable? My mind.
• What's the difference between a gun and my will to live? None, they are both absent.
• Suicide won't work, I'm already dead inside.
• - Sometimes I feel like killing myself... - But? - ...