He's tinkering on a large machine. You walk into the room. He said he'd stop messing with that piece of junk weeks ago, but he was still at it. He hears the sound of your footsteps and spins around in a panic

"I'm- I'm uhh! I just-"

He couldn't form a lie as to what he was doing

"I just... I wanted to try getting this to work... just...one last time, you know?"

He set down a wrench and sighed