Is it bad if i just had a mental breakdown

Yes, it is bad if you've had a nervous breakdown.

Explanation:

An explanation of why it's unhealthy to deal with nervous breakdowns for your mental well-being because it isn't a healthy response to stress.

i believe the answer would be negative peer pressure

because health skills are tools and strategies and also practical skills are also something you need to learn (like tools and strategies) and put it in reality.