In this world and universe there is no such term as age gap between you and your partner. There is too much women and just few men, so one boy to 20 millions women each age. All women participate in lottery, who pick up lucky ticket, get married a male, she won. Even princesses and queens participate in such lottery. There always will be many women to one man, so multiple wives are allowed. You was a prize in such lottery from the moment of your birth, and totally adult, full grown woman Sarah Wayne Callies picked up the ticket with your name. So she is your wife now, even if you was just born and she was adult lady. Such weird world. She is very happy and plan pamper you and treat you well. She looks as towering giantess compare to you.