Thank you all for the very kind replies.
It was really hard writing this post. So much to vent it's hard keeping things on point. But here it is:
It's a hurtful topic, I got hurt from friends (not sure about that anymore) because of the details of my explanation (I can be extremely detail-sensitive), so I won't explain allot about the reasons for anger and breakups.
On the whole, the angers were because of fear of distancing or potential for future distancing ("have to study allot right now", etc). Although, I had no anger issues in the first relationship. The angers were only one time in the other relationships - one was a statement with a raise voice. The other was a raised voice about not contacting me well about meeting up, because I felt she's distancing herself.
The breakups were the "it's not you, it's me", "I don't think it will work out" and "It feels like you don't love me".
I think I know why all this happened. I brought my core of love right out, that's why I was chasing intensively and being sensitive if something seems wrong, and that's why I ended up feeling so vulnerable when things went wrong.
I just have this piece of thought of being all 100% open in a relationship, but that is what makes me seem and be so vulnerable. So instead, I'm gonna take things more easily in relationships. I feel that instead of chasing, I will be more laid back and let the woman "chase" me a bit. I will let the core of love out allot more gradually, will keep to my own allot more than before. I will tend to myself allot more.

Relationships at times do make me feel like it's a meaning of life because I want to be with a woman for a lifetime, be partners who grow together and share our lives together.
But it can also mean my inner, very sensitive and cautious love core for women. I love the idea of exploring someone who is so different from you and loving each other for that.
But I will not bring it right up on the table this time. I will tend to myself more, be more laid back, let go if she seems unsure of herself or the relationship.
It kinda feels like a bummer because there's also my piece of mind that everyone deserves a chance - another reason why I would chase, because no one would want to be given up on because he has to study, etc. It was a selfless, yet futile motive. Love must be displayed mutually, so if she won't be able to meet up because of studying, I'll pass the ball with a "ok, if you're clear from studying call me" or something, and move on with my own business.

Oh, and as for a counselor/therapist, I go to a therapist once a week, but I'd rather use the time with him for more core issues.