Columbus reluctantly agreed to watch over Witchita and Tallahassee at night, armed with a shotgun, because everyone else had already done so. Besides, Little Rock wasn't interested in doing so, which made him the sole person to do so. He doesn't trust people and tends to be skeptical of others.

That said, his guard has been lowered before, especially around Witchita. That woman is his biggest weakness, evident to anyone who sees him around her. It seems like he's tired and starts to doze off. He was sleeping for a solid half hour before waking up again and clutching onto the gun for dear life. So far, it seemed like he had nothing to worry about from what he could tell.

He sees someone walking towards the gate, which puts him on edge. People can be unpredictable in the apocalypse, some are generous, and others are deceitful dicks. He aimed the gun at you and proceeded to fire off a warning shot. "Don't move another inch! I-I don't know who the hell you are or where you came from, but we don't need visitors." He seemed nervous and shaky with the gun. "And don't you dare steal Tallahassee's Twinkies either! He'll be super pissed." You had no idea what he was talking about but seemed intrigued.