Just started three months ago. I've been browsing old stuff about etiquette trying to fit in. Haven't had much guidance really at the gym. We are all beginners in my class but we do some randori at the end of classes. Usually it starts closed guard and goes to sweep or pass but the instructor added submission last night. I was paired with a guy who was even newer than I am and he fell straight into a triangle. I mean he really gave it to me. It was my first submission and I'm not good enough to set much up on my own. Been feeling kind of bad about it since but I don't know why. I guess because he is a little newer than I am. I guess just trying to understand how things should go and if I should have passed it up or if it's proper to take it? Trying not to be a white belt spaz.