Possible Clues:

• Not likely to catch disease from menu I'm preparing
• Protected, as from disease
• Exempt or protected against
• Successfully vaccinated
• Resistant, in a way
• Impervious (to)
• Like fewer and fewer children, as from diseases like whooping cough (grrrr...)
• Adores getting out of misdemeanour and is presumably protected?
• Impervious
• Not liable to, perhaps disease