Every month or once a month an egg will mature within the woman's ovaries. Once it reaches maturity it leaves the ovary and being push down in the fallopian tube where it will be fertilize and may meet up a sperm. This is what we call Ovulation.
You can care for yourself while caring for others by simultaneously looking out for each other. For example, you can both eat vitamins to keep your bodies strong.
All of the above since the purpose of exerice is to be healthy