I personally love vertical labrets, and think that piercing actually looks real good :p
If you aren't happy with it, you should just retire it, and defintely find a new piercer.
A curved barbell would be better, as already said, it IS the preferred jewellery in verticals.
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"My name is Butters, I'm 8 years old, I'm blood type O and I'm bi-curious! And even that's okay, because if I'm bi-curious and I'm somehow made from God, then I figure God might be a little bi-curious himself!" Leopold "Butters" Stotch.