Being single: why don’t people prepare themselves before going into a relationship?

I, personally, at 18 years old, have never had a long term relationship. Why? Lack of confidence and I don’t have the capability (currently) to take on the time responsibility of a relationship. Do I love and appreciate love? Yes, of course. I wouldn’t deny it if it found me; but looking for love? It’s a no from me for now. I am currently on a health journey, physically and mentally, that is consuming on who I am. I am changing and adapting, becoming the best, independent version of myself possible. I have noticed though that many other people around me, specifically young girls, do not try and prepare themselves for a relationship. They rush into them, bouncing from one relationship to another without so much as time to heal. They don’t care about if they’re able to handle a relationship, and just want to rush into it. They don’t find love, they find people who also want a relationship and sex... it is so very different. So this question is for those people specifically, why do you do this to yourself? As a person with severe daddy issues AND a sexual assault victim, I understand those can be factors... but how can you not see that those instances affecting you? How can you not see that you need time to heal yourself?
Being single: why don’t people prepare themselves before going into a relationship?
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