Hyrimoz worked for two days..

Ooops, must have jinxed it! Yesterday I posted about how 24 hrs after my first hyrimoz (humira biosimilar) it was like I didn’t even have AS, all symptoms were GONE…for just two days. This morning I wake up with low back stiffness and can feel things slowly creeping back. Is this normal when you first start biologics? I didn’t expect to feel CURED after one dose, yet did feel cured for just two days. The longer I’m on it will the amount of time it lasts be longer? Or does this look like it’s not going to work? What can I expect, would love to hear your experiences.