Hi, it is a personal decision whether to attend or not, how will you feel if you go? if you don't go. It may not bring "closure" since that takes time but it may be a gratifying experiencing in that you will be able to show your the family your support by being there. Remember, funerals are for the living. If you feel it would help and consoling to them and yourself, then by all means go. I think your friend is correct in that it helps with the process of grief. Everyone grieves differently so do what you feel.