I have answered this before - more than once - if you read back far
Look, what your young lady thinks about your
particular penis depends entirely on how intelligent
she is and I can neither predict nor do
anything about that. I suspect you can't either.
Personally, I am not in favour of "ringing the changes" - "trying out" different partners, whether it is you or she doing it. Perhaps you think "beggars can't be choosers" and will have to accept whatever is "offered".
If you have indeed read far enough back through discussions here, you will not that I am very
averse to the concept that sexual relationships would have any element of "assessment" of one's sexual "performance", including physical attributes. A "blow job" will/ would most likely be quite enjoyable though perhaps not as much as you anticipate; it is often actually quite difficult to achieve an orgasm this way.
I think you would be advised to (both) shower (together?) beforehand (and you can rinse out inside your foreskin by "funnelling" the opening and letting the shower run in) and presume to return the favour to her in similar form. If this implies that the sexual interlude be in complete comfort at (someone's) home then - yes it should! And a lot
of discussion, affection and familiarisation
with each other's genitals (in the light!
) should precede.
As to intercourse - well, you are
going to be using a condom (because - she has
had sex with others) so being able to retract does not matter so much except that it will slightly
reduce sensation (but actually makes the condom more comfortable to use than if your "super sensitive" glans were exposed to it). Since young fellows such as yourself tend to "premature ejaculation" I very much doubt this reduction in sensation will matter at all.
Keep us posted - both on your stretching, and your exploits. A little hint - if you have to post a link back to this thread when it is "closed", do remove the word "last" and everything following, from the link for neatness.