What is an acceptable or unacceptable amount of days for space?

I recently asked my long distance boyfriend for space for a few days.. there’s been too many petty arguments I just told him I need some time to clear my head and I just have an ill feeling towards him that put me in this position, but my question is how many days do I need to wait to text him? And was this a good idea or will this make things worse for our relationship?

What is an acceptable or unacceptable amount of days for space?
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