Struggle with clutter and sentimentality?

Hi, I have been severely overwhelmed recently. Me and my wife have a lot of stuff. She is a collector and I have trouble getting rid of things. All of her stuff is pretty well managed and organized in the living room and my stuff is a mess in the bedroom. Unfortunately we do have a lot of clothes that I struggle putting away so that doesn’t help! But I have a lot of things. Like little toys, or cards, or really just a lot of momentos that I have trouble parting with. I’ve always had trouble. I remember once as a kid my mom packed me a “special” transparent blue spoon (disposable) but we had been reusing it and I accidentally threw it out and I just was so upset. My mom was not upset at all so it wasn’t like I was scared lol. Anyway, I’m wondering if anyone has advice. Thanks!