Guys, Can guys and girls be just friends?

Genuine question. Can guys and girls just be friends? Does there always have to be something more than that?

A little insight to the reasoning behind this question.

I am a female. I was really close friends with this guy for about four years. I have been friends with him through many of his relationships. Recently, he stopped talking to me and I found out that it was because he got a girlfriend. Sure, I understand that a lot of girls do not want their boyfriend to be friends with another girl... but it has never been like that between us.

When I recently brought up that we no longer speak to a group of guys that I work with, they said that it was because the new girlfriend doesn't feel secure with me being friends with the guy. That also more than likely he has had feelings of some sort for me sometime during our friendship.

I never thought about that, but when I look back into some of his past relationships, he would choose me over his girlfriend. For instance, we went to a theme park and he chose to ride most rides with me instead of his (now ex) girlfriend.

Can guys and girls just be friends? Or does there always have to be some type of feelings (physical or emotional.)
Guys, Can guys and girls be just friends?
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