I agree with the rest that he isn’t an open minded guy. and instead of facing you personally he chose to be a coward and hid behind a screen thinking things would end better just via emails.
In the past, when I experienced heartache issues I would think the same as you- what if I wont be able to find that love again, because of such thinking we tend not to let go easily. As cliche as it may sound, it is true that time heals almost everything.
You will find that love again infact better. The world is twisted in such a way that ignorant people assume that everyone who practice islam religion is just like the ISIS members. I see those ISIS members as extremists, they are not muslims at all.

Give yourself sometime , keep your mind occupied and take one step a time, you will be able to get over this. Time.
You deserve someone better.

Here’s a good quote, my friend used to share with me , and I agree now totally with it:

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Take care