<human>: My ex-boyfriend and I broke up around 6 months ago after dating for 3 years. I have moved on and am in a committed relationship with someone else, and am very happy.

I have gotten rid of most of my exboyfriend's gifts. I don't wear the jewelry he got me, I gave away his old shirts that were to small for him, and I've long since donated the teddy bears he bought me.

However, I can't part with the cards and notes he wrote me during our time together. They remind me of the happier times in our relationship. I've only looked at them once since we broke up, and they made me more happy than sad. Is it okay that I keep these, even when I've moved on? I think it's okay to have little mementos from past relationships, to a point at least. My current boyfriend doesn't know I still have these cards, and I don't know if me having them still would upset him.

If I'm in the wrong, please tell me! He was my first serious relationship and I'm still new at the breakup thing.

Can you succinctly summarize the text in 1-3 sentences?
<bot>: Is it okay that I still have cards and love notes from my exboyfriend? I want to remember the good times, but would it be more acceptable to throw them out?