"This weapon allows you to efficiently mow down everything in your path so long as you have ammunition, is very mobile, and strikes fear in the hearts of all who hear it… I call it a boomstick."
"Amazing, here, I don't have anything to give you, but I can teach you how to properly use enemy weapons to kill them, usually in bloody and horrifying ways."
"I love you."

I choose to think last panel is showing both confusion and arousal. Confrousal.