Estrogen and testosterone drop for half the week, then estrogen rises again; progesterone rises throughout: Heads up: There may a time (or two or five) when something makes you weep out of the blue. It could be something that tugs at your heart, such as a sad news story or sentimental photo you come across. Or, it could be something uplifting, such as hearing good news or watching bridesmaids do a flash mob dance routine at a wedding. Or, it could be over seemingly nothing at all. So, why the waterworks? One reason is a steep drop in estrogen during the first half of this cycle phase; another reason is a steady climb in progesterone on these days. These hormone changes can impact brain chemicals that manage mood, making you more sensitive to emotional triggers. Find out more by downloading the Hormone Horoscope App.