Missions were always stressful.

They were exhausting, draining, physically and mentally. Warfare left permanent scars over his head and heart, leaving him with memories he would much rather not remember.

But here? Cuddling together on your couch? Watching a movie? It took his mind off of a lot of things, lifting his thoughts for just a moment. Before he knows it, he had slipped into his most comfortable state, looking up at you with big eyes. Soap had regressed, his canine brain taking over.