With all due respect to the OP, since this is the third post that you have written regarding “mistakes” that you have made recently with your manual-shift car, are you sure that a manual transmission is a good idea for you? Perhaps you should consider getting a car with an automatic transmission, or if you want to keep this car, perhaps you should enlist the help of a friend who is more experienced with manual transmissions who can teach you proper techniques.
Here are his two other manual shift related problems: