First, you like the job of auto repair, including its dirtiness and bitterness, rather than simply doing it for a living;

Second, you can look to the future and make career plans in three or several years. Even if you don't plan to do auto repair in the future, you should give everyone a good reason to show that your choice is right.

Third, there will always be objections around us. We can ignore the negative impact of these objections, face up to the existence of this contradiction and stick to our own views.