Thinking of someone who stayed with me at my rock bottom for months, through years of difficult times. I can't blame him for needing a break from that, as much as it hurts.
Ask yourself this when someone says you can't do it. What's holding you back? Exactly. Nothing but them and you, but only because you are letting them.
Dear Self. You know what they say about perfectionism...don't you? Why you don't have to be perfect, and in fact it's necessary that you don't try to be.