These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
YMMV: Tuck Everlasting
Tear Jerker: Winnie doesn't drink the water Jesse showed to her before he left and therefore doesn't spend eternity together with him. Jesse comes back to visit her 100 years later and finds she has died. Many tears were shed.
Also Bittersweet Endingwhile Winnie and Jesse weren't reunited, it still is revealed that Winnie grew up and had a long life with a loving family.