It's a real labour of love.

Meaning

It's something I enjoy doing, even though it requires a lot of effort.

Examples

• John: You've been working on that garden for ages!
• Alice: I know, but it's worth it. <b>It's a real labour of love</b>.
• John: I can see that. It looks amazing.
• Alice: Thank you! It was hard work, but <b>it's a real labour of love</b>.