Hi. There r lot of activities that people do to satisfy there desires, this sometimes arises different type of question like u have. I will suggest u to meet sexologist n consult privately.

Anal fingering or sex is also done by heterosexual people. Anal region is also a place where some people find pleasure. . You must remember the first time you dud anal fingering, and asl yourself what made you reach out there. . If it was experimental to know what it feels like, then may be ut gave your body some pleasure which it seeks again.