My oldest friend of 30 years has upset me. I had a big birthday back in the summer and she said she'd bought tickets for us to go to a concert a couple of months after. She asked if I was free to go round to hers on my birthday, I said no but I could go round the following day. She didn't reply to this message. This was about a week before my birthday so she would have had time to get a card to me somehow but nothing arrived. Just before the concert she became ill and could no longer go. She didn't take out any insurance so I suggested she contact Ticketmaster to resell the tickets. Heard nothing since and when I popped round to see her after nothing was mentioned. I didn't say anything as she wasn't well. But basically I had no card or present! I've tried to be sympathetic as she couldn't help bring poorly but my birthday just hasn't been mentioned at all. Normally it wouldn't bother me too much but it was my big birthday and I made a fuss of her on her big birthday last year. After such a long friendship I feel she's been quite thoughtless. Aibu?