Sentence:  And most of all it is not having the only man you could love , whether he drives a bread truck or delivers the mail or checks the berry crates down at the sheds , or owns seventeen oil wells and six diamond mines , for if you are anybody what he is or does makes no <WSD>difference</WSD> if he is the one . 
Meaning of the word marked with <WSD> tags:  the quality of being unlike or dissimilar