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 <WSD>diamond</WSD> mines , for if you are anybody what he is or does makes no difference if he is the one . 
Meaning of the word marked with <WSD> tags:  very hard native crystalline carbon valued as a gem