Does it sound like his friend thought we where an item, or is it normal for guys to greet each other this way?

he’s my personal trainer who I have a crush on but he has a girlfriend so I keep it hidden and his friend or at least someone he knows came over to us at the gym and said in a loud obvious tone laughing like “hahaha alrightt what’s going on”

he told him something about me being his client in a whispering tone and then the friend quickly left. My trainer looked down looking crossed and embarrassed, red even

Does it sound like his friend thought we where an item, or is it normal for guys to greet each other this way?
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