How to pronounce“overexpress”in English

So whether it's to a substance, like tobacco or alcohol, cocaine, or a way of thinking about yourself in depression, the self-persecutory thoughts that we all have,but that are overexpressed in someone with depression, and once you're in it, it becomes a self-fulfilling prophecy.Once you spend a lot of your day calling yourself a failure and then that rubs off on other people, and you spiral downward-