Check out those muscles; you put in the work, and it shows.
That is progress, and it's yours to keep.
Before you go: tell your gym partner one thing they crushed today. Effort like that deserves to be said out loud, not just felt.
And don't leave without a selfie; future you will want proof of this exact moment.
One more thing: don't forget, your diet matters. Get that post-workout protein in today.