The operative word you've used is "euthanize" which is definitively different than "suicide" or even "assisted suicide". You're conflating the method of ending

The operative word you've used is "euthanize" which is definitively different than "suicide" or even "assisted suicide". You're conflating the method of ending life with the person doing the ending. OP is talking about suicide and methods in which an individual may do it, you're talking about euthanasia trying to draw comparisons between a person deciding and committing suicide and you deciding to euthanize your dog. They are not the same.