If you look at the sides for both there pretty similar, so you really need to get in tune with your body to see where your at.
High Estrogen Sides
Acne, loss of libido, water retention (Bloat), pissing less than the water you consume, moon face, very small testicles, scrotum hanging too high, soft testicles, extreme oiliness all over, aggression (roid rage), depression, bitchiness, lethargy, insomnia, soft erections, extreme cravings for sugar/chocolate, high bp, bp spikes, enlarged prostate, pressure in lower abdomen when urinating, thin stream, constipation (from water retention)
Low estrogen sides
Dry skin, dry lips, dehydration, loss of libido, good morning wood no wood when its time for sex, loss of wood while having sex, loss of sensitivity, dry gland (penis), white gland, loss of girth, irritability, mood swings, crying for no reason, dht rage (aggression you take out on others), dull orgasm, hesitation just before urinating, night sweats, loss of appetite, constant fatigue, lethargy, constipation (due to dehydration), diuretic effect (pissing more water than you are consuming), itchy scalp, obsessive thoughts