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Does a husbands situation effect a spouses eligibility?

I was working till about a year before leaving the UK, I had 2 young children at the time and was receiving child benefit. I have been working abroad in Canada most of the time I have been away. My husband applied for Class 2 and was accepted as he was working immediately before leaving the UK. Does my husbands status help me being able to pay Class 2 payments and does the fact that I was receiving child benefit help at all.