We are quick to blame someone else or try to make excuses for our mistakes. It shows great maturity to own up to them and say sorry. You may get into trouble and it's hard - but it's the right thing to do.
Alcohol and drugs can have serious side effects such as anxiety, depression, psychosis, and death from overdose. They can also make you look ugly:
This is a good principal for all areas of life, whether you're tackling homework, chores or your to do list. If you put off the hard things you will most likely run out of motivation and possibly time. If you do the hard things first, you will be more likely to have the motivation to keep going through the easier tasks too. Plus you will have the satisfaction of crossing them off your list, rather than the nagging dread that they still need to be done.
We had lunch with friends recently and were laughing so much we cried. I realised afterwards that the things we were laughing at were times in our lives when things had gone wrong. At the time, all those incidents were painful, embarrassing and definitely not funny. Next time something goes wrong or you embarrass yourself remember you will probably laugh about it one day.