Since I was asked to answer this question, I answer. It is better to send similar questions to other experts. The posts above seem to provide comprehensive answers.
In this regard, when I feel that it is about to begin (by indirect signs such as chest pain), I apologize to the loved ones whom I may cause inconvenience.
So I say: "forgive me, I will behave like shit, I have my period."
The reason is simple - hormones regulate absolutely everything in our body. Menstruation is a very traumatic period for every girl - the body seems to take revenge on us for the fact that we, bitches, do not want to get pregnant.
Therefore, a bad mood. And well-being. And everyone around seems like assholes.
Maybe. I've already answered this question here:
TheQuestion: we will find those who will answer your questions.
To summarize, PMS is not a mental illness in which women lose all control for their behavior. Therefore, nervous breakdowns, allegedly caused by PMS, are more the result of self-hypnosis, encouraged by modern culture. If several decades ago, once a month women experienced physical ailment, now for some reason it has become customary to expect them to behave inappropriately and hysterically. Experts in fashion magazines and internet bloggers justify this. And if society allows, why not use it?