The primary way to avoid trading with the «old» more primitive fight or flight brain structures, and make sure that you trade with the «new»
objective thinking frontal lobe part of the brain, is to make 100 % certain you plan out your trade before you enter it.
Above and beyond planning your trades before you enter them and not meddling with them after wards, the next biggest contribution to remaining
objective and
thinking with your more advanced
frontal lobe while trading is to use a simple trading method.