Without any experience regarding your situation, I would do two things:

• talk to your doctor. They can tell you, if there is something hormone wise you can do.
• take your time to experiment what gives you pleasure.

Joyclub.de It is a German sex positive dating/swinger portal and has a big section with selfmade videos.

That is quite a big plug! What about something else going in there?

She’s really hot! Any source?

No risks there. Makes your throat scratchy though. Source: personal experience.

Wow!

Anything from them: https://de.pornhub.com/view_video.php?viewkey=ph5be9baaa250c0