My nose has become more asymmetrical over time since rhinoplasty. Is this common and is it worth having a 2nd revision? (Photo)

I had a revision rhinoplasty 5 years ago and was very happy with the result. However over time my nose has become more asymmetrical and now looks quite obvious. I am very apprehensive about undergoing more surgery to address this, especially when it seems that rhinoplasty results are often unpredictable.
Is it common for rhinoplasty results to change over a long period of time?
Is it worth undergoing a second revision to address this? Or would it most likely lead to more problems?

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