The foods that we eat, the environments that we put ourselves in, the things that we watch say do think, the people who we surround ourselves with, what we do for work, our level of stress, our level of obligations and responsibilities, like the list goes on and on and on. But speaking from a biochemical perspective, there too are lots of factors, lots of different hormones that can impact how you're going to feel as you start to settle into perimenopause