Hello and welcome to healthcare forum.
Whatever your doctor has explained you is o. k. The only major problem with varicocele
is that it is belived to be one of the causes of infertility
although the evidence are inconclusive.
So, after your marriage if you have any problem regarding fertility then only you will require surgery.
So, dont worry regarding varicocele at present and scrotal support is all that is require to relieve the dragging discomfort.