I’ve met people who, either by their words or their actions, say, “Don’t get your hopes up.”
The logic behind that, I suppose, is that if you don’t get your hopes up, then you won’t be disappointed.
But that is a terrible way to live! It’s so much lower than the life God wants for His children.
Hope can be defined as “to desire with expectation of obtainment” and “to expect with confidence—trust.” That sounds like a better way to live than dialing back your expectations to nothing just to protect yourself.
I think God wants us to lift up our eyes and heart, and then begin to believe the best. I say get your hopes up as high as you can! One thing you can do to keep your hopes up is start using your God-given imagination to embrace all the possibilities He has for you.