How to be clean.. ๐Ÿ’ฉ๐Ÿ™„

So I want to give anal a try and so does my SO.. BUT- what if he puts it in and when he pulls out there's ๐Ÿ’ฉ on his dick๐Ÿ˜“ or that it smells.. 
do you know how gross and embarrassing that would be!? Sooo please share some advice and tips on how to do anal while staying clean! PLEASE!