Execution is the main point because information is available for free and action is the pin point to change something life. Mark my words if you are stuck in life just took action because you do not have other option.
Overthinking is a mental condition which most people have today and struggling with it. To overcome it we have to take strong decisions and change our habits.
Overthinking may be bad for some people and some people do not know that they have the habit of overthinking. it just a part of life so do not take it seriously.