Continue writing the next sentence.

How to cope when your sibling gets cancer
Talk to your support network.
When things feel overwhelming, reach out to your friends or family. Find someone that you can lean on, and ask them, " is it alright if i call you or come over when i feel like i need some support? "
Talk to your support network openly and honestly.
Let your conversations with them be a safe space where you can work on your own feelings without judgement. If possible, try to lean on someone who isn't too close to your sibling.