kept my mind off...well, Elizabeth == stop thinking about Elizab

 

mind noun

6 [noncount] : attention that is given to a person or thing
▪ Try to relax and take/get/keep your mind off your problems. [=stop thinking about your problems]▪ I'm finding it hard to keep my mind on my work. [=to concentrate on my work]▪ After finishing work on the remodeling project, she was able to turn her mind to [=direct her attention to; work on] other matters.▪ Don't pay him any mind. [=don't pay attention to him; ignore him]▪ He kept talking but she paid him no mind.▪ You shouldn't pay any/much mind to what he says.

http://www.learnersdictionary.com/search/mind