No/Bad RP Reasons for killing

[Crashlander04]

I realize my character was rash, but this personality is not something I simply made up as an excuse.

There were many other apparent options that could have taken place, but only do as to make a desirable end to the conversation.

As per the killing part - it was more of a punch in the face to show power than to actually kill him, he simply would have fought back and attempted to kill me if I didn't finish the job.