We have to learn to accept sometimes. Even ourselves have flaws. Not everyone is perfect, that's why we have to fit into each other.
Imagine the classic jigsaw puzzle we used to play around. You can see that each puzzle is unique and different from each other. Still they fit into one big picture in the end.
The sides of each puzzle is either holes (flaws) or rounded tabs (advantages).
For example, I like to cook, and my girlfriend likes to enjoy good food even though she doesn't cook. In the same time, she likes home-cook food.
I still like her even she doesn't really cook. You can say it's a flaw to me, but it's acceptable by me.
It's complicated, at the same time, it's a challenge we have to face.