Context: I forgot it was my sisters birthday. I just saw on Facebook that it was yesterday. I feel so bad!
Speaker 1: I feel so bad, I forgot my sisters birthday...
Speaker 2: Oh no, I am sure you can make it up to her
Speaker 1: Yes I plan on it, its just been stressful time at home with a toddler, it slipped my mind
Speaker 2: Well you have busy, it happens