i fibbed to my parents

so this weekend i was supposed to help grandma with her garden but instead i spent the whole day playing video games. when she called later, i told her i had been there all morning and that we planted some flowers together. it felt bad at first but then it got kind of fun, fibbing like that. now though, every time i see those dumb flower beds i feel guilty. grandma was so nice about the call too, no idea she didn’t spot me skipping out on her. maybe i should tell her anyway? i mean, it’s not a big deal but...