Lost my dream person and I'm lost?

So my ex-girlfriend dumped me for someone else and it completely ruined me. Its been a year and I'm still struggling she was my dream women in most respects and the night before she left me I had a dream that we would be together till old age. Since then I've just had a lot of rejections and first dates that go nowhere. I can feel myself giving up since I feel like she was the one. I'm in my 30s and in my eyes I don't feel like attractive or bring much to to table. I feel like I have no chance compared to other men with women. On top of that I feel like all the good ones are taken at this point in life.

I guess what iam really asking is how do I not go deeper into depression from all of this and the absolute horrible outlook on my future.
Lost my dream person and I'm lost?
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