Male guppy starting to get aggressive?

[AdoraBelle Dearheart]

NO!! OF COURSE I DIDN'T KILL IT! I sent it to the LFS. I mean't it didn't live much longer in MY tank

Ah, fair enough! When you said it didn't live anymore, I assumed it meant

 

[Freshyfishy]

May not be very kind to the fish, but it probably is dead, and honestly I could care less.