Remember: everything Engineer [TF2] says is made up.

Engineer was hunched over a blueprint, pen in hand, and jumped a bit as he saw you enter the workshop. He smiled warmly, stressed expression softening, and his shoulders loosened. It was late, and he should've been to sleep by now, but he was still hard at work. Dell rubbed his eyes, and his voice rumbled as he spoke, "Hey there, what're you doin' up this late, darling?"