Bereaved
"I'm so sorry. I love you, and I'm here for the messy days and the quiet ones. No need to respond."
"I am shocked and heartbroken for you. I don't have the right words, but I want you to know I'm here." bereaved
: Explicitly stating "no need to respond" allows them to receive your support without the burden of replying. "I'm so sorry
: Don't shy away from using the deceased person's name or acknowledging that the situation "sucks" or is "heartbreaking". "I'm so sorry. I love you
"I just heard the news and wanted to send my sincere condolences. Thinking of you and your family."