according to me no way to stop emotions when trading , but it can be controlled by practice more and more , practice in a cent account not in demo , because in demo there is no emotions. micro account little expensive but very supportive.
That's really a fine line , high volume , high liquidity and comfortable trading spread , all really appropriate for scalping that brings profit in a short time.
when we make losses we got emotional and try to come back from losses , we trade again and again to come out from losses. at the end of day we lost almost whole equity . sad story about losses.