As the owner of any small boy will know holes in trousers are a given. So patches soon became part of my life. Not having any denim to match the trousers I went for the total contrast look (bright red). When I needed to patch a pair of his old trousers for my daughter to wear I went a step further! (I love bias binding!). She liked them so much her first reaction was to kiss the trousers. And equally gratifying was the fact that my MIL didn’t even realise it was a patch.
I did a similar thing in order to mend my younger sister’s favourite trousers and now my other sister has requested some for her jeans - even though she doesn’t have holes!