I may had made a simular post once before, if so then I apoligyse

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I came across something called fear of commitments while seaching on the net and I think I may have this as i'm pretty anxious about relationships =/. it not like I mind being single, it more like I think I would keep being single and keep refusing anyone because of fear.
i'm not afraid of people in general. I got many friends I love and I like to be social. I'm not afraid of intimacy either and I don't mind sex or people being close. I'm only afraid when they want relationships. anything like the word of Marriage/moving together is a big NO-NO but saying "I love you" and suggest a relationship also feel abit like am overly attached girlfriend meme.
i'm not sure if I'm just born ruthless or this is something from the past. I haven't really got the best experience in relationship, i'm kinda a relationship-virgin

as all my relationships have been short term chrushes who then somethimes returned my fellings but was never official and ended very fast after the feelings was returned.
some of them have said dirrectly that they could had been in relationship with me if I had wanted it but I never showed sign of wanting commitments. after a while they notice i'm not getting this step further and they give up and find someone ells and go into "real" relationships.
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It not like I don't want a relationship or think nobody would want me. I had been in love and I had people being in love with me, I just really can't get to this point calling relationship before my anxioty tells me that this is bad or imposible and I would just end up getting hurt, so I keep staying in the friendzone.
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I'm not really sure what to do about this. I read some articals but many are very hetronormative, focusing on marrige and monogamy and binary genderroles which is certainly NOT what I want and don't make it better.
I can't really efford a therapist for the momemnt, but I do want to try to overcome my fear cause I do want to try be in a relationship and I don't think I can do so if I have the fear.
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So is there people having simular fellings, and how to deal with it?