It is not uncommon for couples to keep track of their partner’s menstrual cycle, and there are several potential reasons why a boyfriend might do this. One possible reason is that tracking the menstrual cycle can help couples to plan for potential changes in mood or behavior that may occur during different stages of the cycle.

Another potential reason why a boyfriend might keep track of his partner’s menstrual cycle is to plan for sexual activity. Many couples find that certain times during the menstrual cycle are more conducive to sexual activity, and tracking the cycle can help them to plan accordingly.

Additionally, keeping track of the menstrual cycle can also be a way for couples to plan for potential fertility. Some couples may want to track the menstrual cycle in order to identify the most fertile times of the month, and this can be helpful for couples who are trying to conceive.

In some cases, a boyfriend may also track his partner’s menstrual cycle out of concern for her health. The menstrual cycle can be an indicator of overall health, and tracking the cycle can help couples to identify potential issues or concerns that may need to be addressed by a healthcare provider.

Overall, there are many potential reasons why a boyfriend might keep track of his partner’s menstrual cycle. Whether it is for practical purposes, to plan for sexual activity, to monitor fertility, or to track health concerns, keeping track of the menstrual cycle can be a useful tool for couples to understand and manage their relationship.