I'm weighed down by grief.

Meaning

I'm deeply saddened and burdened by sorrow.

Examples

• John: I'm still struggling with the loss.
• Alice: I'm so sorry for your loss. <b>I'm weighed down by grief</b>, too.
• John: It feels like a heavy weight on my chest.
• Alice: It's okay to feel that way. I'm here for you. I can also tell I’m also completely <b>weighed down by grief</b>.