morning suits or black tie attire
The groom should buy the engagement and wedding ring for his bride to be and the bride to be should buy the groom's wedding band.
Help the groom.
It's possible, but I think the bride and groom should split the total cost for BOTH wedding rings.
Black.
Yes, she should.
Depends on what the bride and groom wants.
the closest friend to the groom. He needs to be trust worthy to the groom too!
To wear one's uniform for your wedding or not is a personal choice. If the wedding is on-base; a military wedding where the bride and groom come from the church under the crossed swords of their fellow officers is most impressive - if that is what the bride and groom want.
yes, to be sure that everything is in order and to tell them you love them!
A groom on a Jewish wedding day wears what you wear in a English wedding
What colour suit should men wear at a wedding night party?
Unless you the parent of either the bride or groom or in the wedding party then no, you should not wear a flower on your dress.