Yeah, explaining the concept of death to littles one is difficult. I cannot imagine trying to describe it to one's own child, though. So again, you are one tough and brave lady. I do think spending time with his grandparents would be a positive experience for you both.
And if possible, I would love to see your tattoo once it's finished.
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The man who chases two rabbits, catches neither. - Confucius
Good for life: Work like a dog. Eat like a horse. Think like a fox. And play like a rabbit. - George Allen