I'm in your debt.

Meaning

Expressing a significant obligation due to someone's help.

Examples

• John: 'Don't mention it.'<br>
• Alice: 'No, really, <b>I'm in your debt</b> for all your assistance.'
• John: 'My pleasure, but honestly, <b>I'm in your debt</b> for the opportunity to work with you.'
• Alice: 'Your expertise was invaluable.'<br>