If you want to understand human behaviour, read fiction more often.
If your intuition is saying no, the answer is no. That’s it. We will figure the why later.
If you are unsure to do something, put it off for later. This is an unconventional advice, but saves you misery for months.
If you want to do something but haven’t been able to do it for a long time, make 15 minutes for it and do it. Rather, block a time of 2 hours and do it.
Relationships are not built in one moment of understanding followed by a month of the subtle art of not caring ever. Relationships are built in caring for people every day.
People are supposed to be different. Don’t try to make them just like you. Accept them where they are.