How do you say "I only want half of that piece of cheese" in Italian

What a wonderful experience to be here! The weather is perfecto and the leaves are greenisho.The apartment we're staying in looks like something out of a movie. The real thing,though, with a gorgeous courtyard that isn't perfect and tidy, but feels more like living in Itlay than a hotel would. Close to the Vatican, we walked over there today, but will do a proper tour tomorrow. Home for happy hour now.It IS Friday after all... Love,Bellas! Judy