Is OTHER wrong in the post ? POST : I'm kinda angry, and I do feel like I am in the right side of the story, but I'd like to hear other perceptions and write what happened down so I can stress down a bit. 

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I go to a very small gym and always make sure to go in early hours so that it's not full. Today I arrived and there was just one guy in a bench, and so I took one of the remaining four there were around. 

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I was just finishing the first series when another person joined the gym. Let's call him Jim. 

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As I had finished, I stood up to move my stuff to another place that I would need to do my series, which he was using. 

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I approached to the point where he inevitably saw me and asked "Hey man, could you intercalate?" to which he agreed, but took the first turn of the machine. As he was doing it, he said to me "Out of all the exercises, is this the one you HAVE to do?". I thought he was being friendly, and so I kinda answered thinking it was just that. I said yes, but it won't take long, since I know I'm not the only one using it.   


Jim exhaled loudly and rolled his eyes telling me that I would mess his circuit if I used the machine, and that he always arrives at this time of the day so that the gym is empty. I was a bit confused, but just repeated that I won't take long in there. It was weird mainly since I thought he was just being friendly, as I said. And to suddenly receive that comment was a shocker. 

  
In my turn, as I was half-way there and he was doing another exercise, he drops the weights he was using and just tells me "See? It's all messed up now, thanks." while pointing at me with his palm as if I had just said something he didn't understand to later walk off with his hands on his waist, shaking his head.   


At this point, I didn't answer. As I finished I just moved to a different machine and decided to shift my routine a bit so that I could let him work. I was pissed, but I didn't want to get a trouble with Jim.   


Now I was in the last series just finishing, and Jim approaches me to tell that he was finished and that I could use it now. After around 20 minutes. I just replied with a nod and a thumbs up since, well, the gesture was done. I had to re-do all my routine just so that he doesn't tantrum.   


Now guys, we're both customers paying for the same service, we both arrive at the same hour to have the gym empty, we both were in chest day. Doesn't it makes sense to share the machines we are using? Isn't that what most gyms encourage? Like, yeah I get it; I would mess up with his routine, BUT he would mess with mine too, which is what happened. Wouldn't it have been better to just take turns on there, even if it means taking longer pauses?   


I really cannot agree with him in just keeping a machine for himself, while there might be someone else that needs it. I don't know why he felt entitled to it, even if, with his logic, HE arrived after me. 

I didn't want to add this part since it doesn't contribute anything, but he is one of those guys that goes to the gym almost naked. Shorts with 5/6 thigh uncovered, and small sport that shows his nipples from time to time. Small mohawk haircut; this is why I was a bit intimidated to reply back, and so decided to not push it further.   


Am I the asshole, guys? 