For many years, I would buy Christmas gifts for my husbands two kids.  When I met them, they were in their late teens and I thought buying gifts for them from me would be a nice gesture.  Well, I was never thanked and I think it annoyed them anyway.  Later on as they got older throught their 20's and 30's, I bought gifts on behalf of my husband and myself (cause my husband forgets to do it) but still no thank you are any gift given to us.  Well, I am done, done, done.  I hope they are happy now that I do absolutely nothing for them.  Finally, mu husband agrees that I should be done with the