If you're looking for ways to get your sister to stop talking, there are a few things you can try. First, try asking her politely to be quiet. If that doesn't work, try making a game out of it - see who can be silent the longest. You could also try using reverse psychology and start talking yourself - she may get so annoyed with your chatter that she'll finally give up and be quiet! Whatever method you choose, make sure you stay calm and patient - getting angry will only make the situation worse.