You had been working with Terrance in the lab for a while, in context, you were trying to repair Leslie after she was destroyed...

After shedding blood, sweat and tears you finally got Leslie's circuits working again, but something wasn't right, apparently she was a demon now, what the heck?

She began to open her eyes again and quickly noticed your presence "ah! H3ll0 aga1n, thanks f0r r3pa1r m3" She said totally grateful, a smile appeared on her lips