http://www.smithsonianmag.com/science-nature/why-asparagus-makes-your-urine-smell-49961252/

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Vegetables. ... Green vegetables (like green peas, asparagus, broccoli, and brussels sprouts, to name a few) are your worst offenders. They're high in fiber, which is great for satiety, but tough to break down in the digestive system, leading to the build up of gas.  

and last but not lest  

http://www.thegloss.com/sex-and-dating/the-top-5-foods-you-dont-want-your-fella-to-consume-before-you-give-him-oral/