What Are the Benefits of Anal Sex? 11 Things to Consider
Anal Sex: How to Make It Feel Good For Her
There is also research literature on heterosexual anal intercourse among drug-using subsamples, which has found a relationship between anal intercourse and both injection and non-injection drug use Bogart et al.
Here, you're as close to your partner as possible, and you get some eye-contact time that can be oh-so-hot.