Tranny "5SPeed Just got im sorta just learning please help

im so mad, i just bough a 99honda civic wiht only like 35miles on it

im from canada so like 64thosand km which is like 40miles or something..


anyway i cant drive the best i grind sometimes when im racing,,


i feel like im gonna ruin my engine or clutch or tranny im scared cause i just invested 4thosand into stereo and 2thosand into cosmestics stuff, my insurance and car payment a month is more then i can afford already let alone something break,,

how lond do trannes last hopefully soon ill stop grinding just sometimes i shift ****ed up like cause im not paying as much attention , ill treat it good from now on . i think its a mental problem i think its harder to shift into a gear now but i think just cause i had a dream my tranny ****ed up cause i grinded that night.