More thoughts for the day

I keep getting distracted by the use of who and whom in my writing. The thing is: I purposely ignore the rules sometimes. You could call it diction (or would that be syntax?), but I seriously just want to be clear. I feel like the correct use of whom sounds stuffy.

Thoughts for the Day

I like having windows in my classroom because, on a sunny day, the light shines on my wedding ring and the diamond makes sparklies on computer, the desk and the papers I'm grading.