I don't know how old you are, but make sure you show your appreciation and use your noggin' and don't get in trouble with your new knives!
Unfortunately, in the world we now live in you can get in trouble and not even be doing anything 'wrong'! Just forgetting one in your backpack after a weekend camping or at a friend's, and getting caught with it at school will get you expelled these days. Not even suspended but kicked out for good! Which is absolutely ridiculous but the bad apples have ruined things for the rest of us that are responsible and have a good head on their shoulders. Not just kids but adults too.
You may be older than I'm thinking, and this doesn't really apply but even though we don't always get along, family is the most important thing we have in this world and I promise you that your mom loves you to death and would do anything for you! That may sound silly now but one day it will make sense, so show her you are responsible and work hard to better yourself and help her with anything that needs to be done around the house. It doesn't magically get done and takes hard work and you can really make things easier by pitching in. And spend as much time with her as possible because one day you will wish you had this time back!
Again, I don't know you or how old you are so maybe you've learned some of this. And it may sound silly but I know there are a lot of us that wish someone had told us things like this at a young age, and that we actually paid attention.
For the OP and anyone else that's able, give your mom a great big hug, a kiss on the cheek, and tell her you love her, and have a great Holiday Season!!!