Sometimes, nothing will do other than a good cry.
It's a scientific fact that women cry more than men. Apparently, we have shorter tear ducts, so the tears make it to the surface easier, although that sounds like a flimsy reason. Also, our tears contain different hormones to men's tears, similar to those we release when breastfeeding.
And on top of all that, researchers can tell the difference between a sad tear or an angry tear from its chemical make-up. Crying, while it can be messy, ugly and give us a headache, is a brilliant way to release tension and cleanse the mind. Surely, I'm not the only person one returning-soldier-video away from sobs.
Crying is a much better way to release negative emotions than becoming violent or having a huge row, and while crying is unfortunately associated with weakness thanks to the historical opinions of the patriarchy - men who cry being weak and women being the weaker sex - a good cry can do wonders for the soul and put us more in touch with our emotions than those stoic people who go through life with nary a chin wobble.