Something has changed - could be physical and it could be psychological. If you have been able to deal with larger peni' in the past, you should have not trouble - IF you are as relaxed and receptive as you were. Sometimes our bodies tell us things we do not want to face up to. If you have adequate lubrication, something in your mind is closing you down.

Here are some ideas:

1. Make sure his penis is well lubricated
2. Make sure that in addition to being wet, you are very highly aroused and near the point of an orgasm
3. Try using the Woman Superior position
4. Investigate whether or not you might be suffering from a condition known as "Vaginismus"

http://www.vaginismus.com/?gclid=CKCm9YCPg4cCFRdyUAodRxdSJg

http://en.wikipedia.org/wiki/Vaginismus

5. I regularly write about an exercise to expand the vaginal entrance. You can sit in a bathtub partially filled with warm water in order to soften the tissues. Insert a finger and tug against the opening, holding the pressure for a few moments before moving on to the other three quadrants in turn. Do this at least once a day. I only takes fifteen minutes or so.

When able to insert two fingers, either of the same hand or one from each, do the same thing, using the two fingers to pull in opposition. Over the course of several days or a couple of weeks this should help your flexibility if other things are not a factor.

I find that a gift like a 1 or 2 carat diamond seems to make a BIG difference!!...:D :D :D ...ok ok...that was supposed to be a joke!!