What can your friend of the opposite sex give you that your spouse can't?

I refuse to have male friends even though I'm single.

The only male friend I will ever have will be the only creature I will ever be intimate with; my husband.

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Are friends of the opposite sex useful for anything else other than being an assistant of your relationship with your spouse?
How else should they be used?
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I didn't ask "what can your friend of the opposite sex give you"
I asked "What can your friend of the opposite sex give you?"

Now that I put together those 2 questions, do you see the difference between them?
What can your friend of the opposite sex give you that your spouse can't?
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