Many things are unpredictable.

Situation (tmr) = a+ b x Situation (today)+ c x Situation (yesterday)

Surely It's not a formula!

So even you did something right today and yesterday doesn't mean you will do something right tommorrow.

And... the difficulties and failures you faced today doesn't mean you will face them again tommorrow. You will have the chance to alter the situation.

Life is just full of chances and risks.