Not sure whether this fits with the "kind gesture" but here goes.
When I was in my early 20s I cared for my partner through his cancer battle. I gave up everything to look after every need he had and attend every chemo, radio, surgery, specialist appointment etc with him. Administered his meds, cooked, cleaned, massaged, washed and helped him go to the toilet, researched clinical trials, kept notes and dates etc, managing his treatment etc. When he died his mother not only decided to pretend it was she who had done this for him, but that I was just "a friend" of his, when she wasn't slagging me off to all and sundry for existing. So I was erased from his life, essentially.
Because I was young and confused with poor self-esteem I kept trying with this woman and ran errands for her, bought her gifts I could ill afford, sent her on spa days so she could relax, stayed in regular touch and would visit her when I could after he had passed. I felt so bad her son had died. Then one day I stopped and have never heard from her again.
I loved my partner so I don't regret anything. But while I understand she is human and was dealing with everything in her own way, albeit the wrong way when it came to me and in many other respects, her behaviour boggles my mind.