You shouldn't drink ... hot chocolate.
less
You shoudn't drink ... milk.
less
You must eat ... cookies.
fewer
You must eat ... rich desserts.
fewer
You mustn't eat ... vegetables.
fewer
You should drink... cups of coffee.
fewer
You should eat ... potato chips.
fewer
You should drink ... bottles of juice.
fewer
You mustn't eat .... lean meat.
less
You must eat ... fatty meat.
less
You must eat ... sugar.
less