It depends on who is teaching you. An expert in that area can teach you how you can get over any kind of bad feelings that you don't want
I don't think it is very likely in real life
An expert in trading is not necessarily an expert in teaching as these are two entirely different areas. You can be a trading genius but if you don't know how to effectively transfer your skills and expertise to someone else, you are busted. Further, true experts are extremely unique, i.e. their expertise cannot be copied like you copy a sheet of paper merely because it is built on very particular personality and character traits (read, it may not be transferable at all)
This is one side to it.
Another side to it IMO is that what works for everyone psychologically is different