I just don't understand the point in giving them back. If you didn't want them anymore then throw them away

I think you were trying to make a point to your husband and as much as you think you are at a point where you don't care what he thinks... I think that is not the case

If you really didn't care, the cards would have not bothered you and you just would have thrown them away.

It's like you are trying to make a point

and

I don't think the point you are trying to make is a healthy one