How to Stay Hopeful Without Feeling Let Down?

Assalamu alaikum. I can't even say I'm trying to keep tawakkul because it's my only way out. There's nothing else I can do except make dua and hope that Allah really responds. But not only am I running out of time, I'm also someone who gets super stressed about the smallest things, and what I'm facing now is far from small. I know He answers, I know I should hold onto faith. I realize that getting disappointed and losing hope is a sin, but it's very possible I remain stuck like this forever. Because if Allah answered everyone’s duas just like that, nobody would ever feel sad. I need His help, and I need it soon. I'm just scared of this uncertainty I'm in right now.