Why do guys get nervous around me? Im so nice?

Anonymous
I dont understand why guys get nervous around me. Especially confident outgoing guys. Im am so shy and quiet, but im nice so im not a threat.

Everyone tells me im so cute and adorable and very nice and I have a soft voice. They also say im a dork and all that junk. Im so nice, yet I dont understand why guys get nervous. Im not even that pretty. Im not ugly but im not gorgeous or anything. Im not a big deal. And im not even that interesting.

I used to have a manager at work who used to tense up when I would look over his shoulder or I was alone with him. He wouldn't want to be alone with me because he said it would be awkward and if we had to, he would make us walk the hidden way. He seemed nervous but it was weird because everyone said he was a player and i know he dated the hot type of girls. The manager who replaced him also acts weird. When he seems me, he tenses up and starts to blush. And he'll pretend to be mean and when I get all scared and get bug eyed, he just smiles really big and says ok.

The guy I like used to tense up when he'd see me. I thought we were good friends or at least acquaintances but before he was leaving (to another job), I jokingly asked if he was going to miss me. He just said ummmm... and turned bright red. He never answered my question.

And there's another guy at work who everyone says is a flirt. Everytime he sees me, he smiles and looks down. We talk but I don't know why he acts like I make him nervous.

And the other day, another coworker asked me for help and I stood next to him as he sat and he just smiled and turned a bit red too and got sort of quiet. In my department, we all get close like that so I thought everyone is like that.

This makes no sense to me. Im the nicest person ever. Why would they get nervous? I should be more afraid of them then they should be of me.
Why do guys get nervous around me? Im so nice?
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