I'm completely absorbed.

Meaning

Fully engaged and focused.

Examples

• John: Are you almost finished with that report?
• Alice: Almost. <b>I'm completely absorbed</b> in the data analysis right now.
• John: That’s good to hear! I can see you're really focused. <b>I'm completely absorbed</b> when working on my hobbies.
• Alice: It's amazing how time flies when you're engrossed in something.