Later, back at the motel, in bed, she lay with her hand on her forehead and said:" I envy your wife. I envy Nancy. You hear people talk about "the other woman" always and how the incumbent wife has the privileges and the real power, but I never really understood or cared about those things before

Now I see. I envy her. I envy her life she will have with you in that house this summer. I wish it were me. I wish it were us. Oh, how I wish it were us. I feel so crummy, she said

 I stroked her hair 

Call if you need me – Raymond Carver