Pain Cycle

I don’t understand the pain issues. I just don’t. I was like 95% pain free all damn day. I didn’t overdo it, I didn’t push my limits. I was grateful. But why now, at 3am, out of fucking nowhere…. Is it suddenly so bad again that I honestly want to cut my feet off at the ankle?
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The pain this cycle has been so much worse and so unpredictable. And my feet BTW are definitely losing sensation. I’m going to email the NP tomorrow to let them know. Plus I need her to authorize a refill on the vico.
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Getting real tired of this bullshit of a side effect.
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Can any of my chemo friends relate to this? Cause I’m legitimately frustrated and could use some solidarity