To Open Pandora's box

People do some actions that seem small or innocent, but turns out to have severely detrimental and far-reaching negative consequences

Wesley, a boy who loved to paint, and he hated to study. He had been in a car accident when he was seventeen together with his twin brother William.
What life he had to choose after the accident ?

-"I wish a miracle could happen to you" she said in a very sad tone, that also broke my heart, I am not even that sad about myself.
"I wish mom would talk to you, I wish William would come home and talk to you, I wish all the guilt you feel toward them can disappear" she's crying harder now.
" don't worry, it's my fault, I should be blamed, I am taking responsibility for my actions" I said and a tear drops from my eyes, I wiped it immediately.-