How much attention does your guy need? Determining your man's TLC set point can tricky. But keeping him faithful could depend on it. Read on.

Last summer, Jude Law was busted cheating on fiancee Sienna Miller with his kids' nanny. Sounds like your typical tale of Tinseltown two-timing, except this time there's a novel (but equally lame) excuse. According to the nanny's diary, parts of which were published in London's Sunday Mirror, when she asked Jude "why he didn't find a wife who didn't want a career and to party 'all the time," he replied that he would love that more than anything. Read: Sienna dared to have her own life!

Jude's alleged admission of wanting an available (and most likely doting) girlfriend raises an interesting question: Do guys require more attention than we realize?" Yes," says Eve Salinger, author of The Complete Idiot's Guide to Pleasing Your Man. "And unlike women, they don't always verbalize when they're feeling neglected."

According to psychologist Paul Coleman, PsyD, author of The Complete Idiot's Guide to Intimacy, guys fall into three attention-craving categories: the baby, the guilt-tripper, and the grump. Here, he gives the signals each one sends and advice on how to respond.

The Baby

"This guy wants you by his side at all times," Coleman says. The thought of being all by his selfie-welfie bothers him and he's not afraid to let you know.

PAMPER-HIM PLAN: Don't even think about altering your fabulously busy life. Instead, make an effort to carve out quality time for him every day. "Even if it's just a quick lunch, your guy will feel appreciated. And since he'll look forward to seeing you, he won't crave your attention as much," he explains.

The ...