You can gain the ability to understand all dolphin languages but it would cost you two fingers from each hand

If you choose to understand the languages of all dolphin language dolphins you would still hear the same sounds from dolphins as other people, but you would be able to understand what different combinations of sounds means as easily as you understand what combinations of sounds in English mean. You could choose which fingers to lose, and they would poof out existence, but your hands would bleed and feel pain as if someone cut them off without any anesthesia.

Do you choose to gain the ability to understand all dolphin languages?