Anal ๐Ÿ™ˆ๐Ÿ™ˆ

So I've start seeing this guy and he's adamant that he wants to do anal because he loves my arse.. But I'm scared about there being ๐Ÿ’ฉ left on the outcome๐Ÿ˜ท... How is it possible to avoid this.. I've done anal in the past with a previous ex but he was no where near the same size of this new guy ๐Ÿ™ˆ