sentimental

/ˌsɛn(t)əˈmɛn(t)əl/
adjective
  1. Having or showing tender, gentle, or nostalgic emotions, often in a way that seems excessive or foolish.
    • The movie was so sentimental that half the audience was crying.
    • He became sentimental whenever he talked about his grandmother's cooking.
    • She kept a sentimental box of old letters from her childhood.
  2. Based on or influenced by feelings rather than reason or practicality.
    • Selling the family home was a sentimental decision, not a financial one.
    • Her sentimental attachment to the old car made her refuse to trade it in.
    • They chose the venue for sentimental reasons, not because it was the best option.