I'm trying to learn by doing, so I'll tackle it myself.

Meaning

I'm learning through experience, so I won't accept help.

Examples

• John: Need a hand with that report?
• Alice: Thanks, but no thanks. <b>I'm trying to learn by doing, so I'll tackle it myself</b>.
• John: Okay, let me know if you change your mind.
• Alice: I will. <b>I'm trying to learn by doing, so I'll tackle it myself</b>, but I appreciate the offer.