I wish I watched Sherlock so I understood that part more but OH MY GOD THIS WAS PERFECT. I love it SO MUCH.

Shawn wonders sometimes how they became friends at all but he can't actually remember a time when they weren't.

I feel like this is the most concise description of Shawn and Gus' EPIC BROMANCE ever. EVER. This was just...just...I HAVE NO WORDS FOR THIS PERFECTION.