Sorry CL.
The way you were posting before I thought anal was a somewhat regular part of your routine. I'm saddened to find this isn't the case, and that things aren't working out so well for you. Give it time. I'm sure some time spent solo, when you're in the mood, will help bring your confidence back up enough to try it.
And if he was rough, might I suggest that you take control next time? As in, you be on top, and control the penetration. That way you can take it as slow and easy as you need.
Best of luck, hun!