internal clAffinity(clUser u1, clUser u2)
{
this.u1 = u1;
this.u2 = u2;
List <clReview> r1 = u1.getReviews();
List <clReview> r2 = u2.getReviews();
foreach (var item in r1)
{
if (r2.Find(X => X.idShop == item.idShop) != null)
{
score++;
}
}
}
