How to cope up with this?

Well short story, Everything was going great in my relationship. We had talking about sweet letter and writing them and texting each other so my girlfriend took a nap so after waking up she started to be dry and made some offending jokes so I told her to take some break from me because it was overwhelming to talk about and I didn't wanted to just argue about that so I took space. Well after 3 days I woke up from my sleep and opened messenger to check if she really would appologize for that so she wrote me an breakup message or wanted to end things between us. I felt so broken. She blocked me from everywhere and she missed one place that is snapchat and so I text her the reasons she misunderstood me. She gave me an reason that she can't focus on study thats why she is breaking up and when she is in collage she will get back together which is very odd. I told her that we could take space then. Talk less or something then she said that it would remove our feelings then we would breakup eventually. I dont know what to do in this situation.

Can anyone help me?

How to cope up with this?
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