This is such a beautiful idea, @DorisIsabel
all the ideas on the thread. One more option might be to go into a store you like and pick something beautiful and small that catches your eye - a charm, or bracelet, or card with an inspiring scene on it - whatever comes to you at the time. It could have a K on it, but it could also just be something gorgeous that you like and will give you a boost of happy feelings when you look at it/need them for strength.
Just another option for you.
Good luck. Hope you post a photo of whatever you try in the end!
xo