There is nothing that you cannot do with a sensible approach. The number one thing is to never panic - keep calm. We can only try our best.
"Restlessness is discontent and discontent is the first necessity of progress. Show me a thoroughly satisfied man and I'll show you a failure" - Thomas Edison
Never give up - just keep going at it hard. You will find yourself amongst the elite - fists clenched and arms hoisted up in the air - triumphant. We will prevail!