Not Really.
It's not the size of the gift, it's the feeling that it generates.
If you get this feeling of oneness and enjoyment from the gift it can be as small as a thimble or as large as a Mansion.
In the end, it's all about the feeling it generates.
Size matters in two cases; when she is emotionally empty or he has low self-esteem.
If her bucket is empty, meaning she can't get premium energy, then your sexual energy has to go deep.
You to have a very large capacity for sexual energy to compensate for her lack of premium energy (love).
If she can't get love then size matters.
But let us say you fill this same young lady's bucket with love.
You fill it to the top leaving only room for sexual energy.
Then you don't have to have a large capacity for sexual energy because she already has everything she needs.
A large capacity for sexual energy at the point is an added bonus.
Your concern for size only comes as a result of a lack of confidence.
You have to know going in that if she's not a virgin then she may or may not have had her bucket expanded.
As long as you can fill it, it doesn't matter.
If you fill her bucket with your energy his energy will either get burned off or pushed out. So there is no need to lack confidence or develop any anxiety.
To summarize size only matters when there is a lack of premium energy.