How does the author use imagery in the novel, The Wife Upstairs?

Imagery:

“Eddie killed Blanche. He killed her, and he could kill me. Eddie, my husband, my partner. The man I thought I knew so well. Who smiled at me the day we met with such sweetness in his eyes. Who always listened so carefully when I talked about my day, my business, my dreams. Who remembered little, silly things—like my favorite hot sauce or how I always liked my coffee with one regular sugar, one Splenda. That man, my Eddie, was a murderer” (55).