"I hate it when people come up to me when I'm eating"

Shirley Bassey's quote reveals her frustration with individuals who approach her while she is eating. It is likely that she feels uncomfortable and distracted when people come near her while she is attempting to enjoy her meal. She may also feel that her personal privacy is being attacked, as she is unable to enjoy her meal in peace. It is possible that she is likewise concerned about how she looks while she is consuming, and does not want to be evaluated or criticized. Shirley Bassey's quote reflects her desire to be left alone while she is consuming, and her requirement for some privacy and peace. It is reasonable that she would wish to be able to enjoy her meal without interruption or judgement.