['I felt very bad about myself when i forgot my partner birthday this year. She was very disappointed in me for being careless', 'Did you apologize, and do something nice to make up for it?', 'I bought her an expensive diamond ring just to make up for my silly mistake']
Wow!  Well, everyone makes mistakes, and if you apologized and bought her a ring, that should about cover it, lol.
I forgot about my partner's birthday. She was very disappointed in me