You're likely to experience severe hunger pangs after two days of not eating proper meals and relying only on meal replacement shakes. (dietselfhelp.com)
An extraordinary effort means a particularly strict diet, as well as burning more calories through training because you can only cut your calories so far from food before you're starving and suffering from severe hunger. (hardgainermusclebuilding.com)
Infidelity (emotional and / or sexual) is almost always a symptom of a severe hunger in the relationship. (religion-online.org)