The need to keep tons of things for "sentimental" reasons. The inability to get rid of anything. Usually involves the need to rent storage lockers, because every room in the house and basement is already filled with sentimental knick-knacks and memorabilia.
When Jane moved out of her house, she needed to rent 3 storage lockers to store all of the things she couldn't part with. She suffered from SentimentalRetardation.
When a man and his female partner are having sex and the women tells the man to cum anywhere he wants to, he gets up off of her and finds something sentimental in the room (ex. grandfather photo, favorite stuffed animal etc.)
and proceeds to cum on that piece.
The act of being in a very sentimental state of eroticism. This may include sobbing on your partner in hopes of reaching climax. Inspiration for sexual acts through depressive tones and sequences.
Joanne loved to ski, however at night she experienced sentimentalized eroticism with her partner which helped her cope with her everyday life of skiing.
John instead of having a very joyful erotic experience with his partner he decided he didn’t feel to happy that day so he participated in sentimentalized eroticism that day.