If you dont have much experience in investment and if you invested your money into a bitcoin and if the value of bitcoin goes down yes it will comes to your mind that the value of the btc or altcoins will continue to go down specially if youre newbie here or you are lack of knowledge about investing and the panic will come so the panic sellers will experience the buy low sell low instead of but low sell high we need to be patience and learn from our mistakes because were here in cryptocurrency world we need to be smart