會刷 但另一半唔刷我都ok

如果準備口交的話其實唔建議刷牙 Do not clean your teeth, floss or use mouthwash, eat food such as toast, crisps just before or just after having oral sex. This is because all these can cause small cuts in your mouth making it easier for infection to pass from one person to another. https://www.opendoors.nhs.uk/content/oral-sex