For all your faults, you're a good man, Aramis. And if they're not able to see that... it's their doing. Not yours. You're worthy. I'm not the only one who sees it.
With Isabelle... you can't blame yourself for that. It isn't as if you didn't search for her. It wasn't just her decision to make and... she should have given you an explanation. And that she didn't... that's her own choice. Not because of you, but because of her.