I always choose songs that I have an emotional connection to, and I often feel myself getting very emotional when I sing.
Reality show? You can't find anything better than boxing because of the trials and errors, the ups and downs, the struggle when you get knocked down to get back up. Use it symbolically and interchangeably for life.
I have always tried to work according to what affects me, to a script that I like because it touches me in some way, without deliberately pursuing a commercial career or a particular image.