Overthinking leads to procrastination. It allows doubts, assumptions and fears to enter into your mind. This then leads to freezing up and inaction or at least delayed action, which misses opportunities when at their peak. Learn accurate knowledge, gain certainty and confidence in what you want to know, teach and have success in, that way even if emotional anxiety starts to occur your certainty of knowledge will push you to acting and overcoming emotional freeze ups. This will avoid many awkward interactions in dating, give you the best of opportunities when they arise and create success in what you aim at.