Any arrangement that makes you share bills equally with your husband, you're cheating.

Otini, a Nigerian woman living in the UK, claimed that a Nigerian woman who splits the bill evenly with her husband is defrauding herself. Read full article 

She wrote;

Any arrangement that makes you - a Nigerian woman living in Nigeria share bills equally with your Nigerian husband is cheating sha. 

Unless the both of you are equally involved with the child care, house chores and have comparable earnings. Otherwise, madam you’re cheating yourself.