She says she needs time to miss me?

My ex-fiancee broke up with me 10 weeks ago. When she returned the ring she said she wants it back someday and is afraid she won't get it back. The breakup was caused partially to some petty arguments and partially by the fact she says something is wrong with her but doesn't know what it is. We spoke about a week ago and she said she loves me and needs time to miss me. Any ideas/suggestions?
She says she needs time to miss me?
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