A Jewish wedding isn't a beautiful celebration of a couple's love, it's the celebration of the start of a brand new family and the building of a new home.
If the wedding is the former, you postpone it until you can properly celebrate, as the celebration itself is the point. If it's the latter, you make the wedding as soon as possible and figure out the celebration a different time.
A relative who got engaged last week is doing an immidiate-family-only wedding next week in a backyard.