Context: My cat puked up a hairball this morning and I had to clean it up.
Speaker 1: My cat puked up a hairball this morning and I had to clean it up.
Speaker 2: That is horrible. Does he puke up hairball often?
Speaker 1: She pukes up hairballs every now and then I have some salmon flavored jelly i can feed her, but it happens so infrequently I forget to.
Speaker 2: I understand.