>>13230187>>13230368Your brain doesn't stop developing until mid to late 20s and the last part of your brain to develop is the prefrontal cortex, the part involved in the control of impulses and decision-making.
That's why teenagers are in a critical age, it's incredibly difficult to make long-term decisions, and why there is a lot of anti-drugs programs, incentive for protected sex. So if you're less than 25yo, it's actually normal to be more impulsive.
Try to learn some things about brain health to make sure it is developed well, and you're in a phase. But what you do in this phase will impact your next.