The greatest suffering in life, that anyone can experience no matter who they are, is unfulfilled expectations. Girl isn’t interested in you, Weather isn’t what you want. Boss didn’t give you a rise etc.

According to Buddhism solution is to stop expecting things of others, of life, of reality. You can only control yourself, expect of yourself if you must.

Perhaps a bit of an exotic philosophy, but I think it applies here nicely.

I expect nothing and am still disappointed. What does Buddha say about that?

this about sums it up