I'm very rarely upset over things here in NB being the derp that I am but you sir are a detestable and heartless creature whose mouth is more putrid than the stench of an open sepulchre.My first though is that he is a idiot.
she is blind, she will never be able to appreciate the garden to the expend he wants her to, sure she can be overwelmed by the effort he put in to it and good smell of them and all that, but at the end of the day, she is blind and he wasted years of his life he could have spend doing something more practical for his blind wife.