In situations like this, do nothing but proper analysis! You are a trader. Be professional! The psychology of a trader strictly tells us to maintain discipline and discard all emotions! You should not effect your trades. Try your best and when you get the highest probability of the market's movement execute your order with your usual volume or lot size and donot try taking more number of pips. Enter and exit carefully.
If you are a pro, Use advanced money management like lot exponent and easily cover up your losses.
WARNING:
If you are new or with less experience: lower your volume wait for confirmed signals and execute and close with small profits. HAVE PATIENCE! YOU MUST HOLD ON TO PROFITS! be consistent and soon youre losses will be covered.