my very good friend from high school got engaged in December, and the wedding is this weekend (July 25).they have been living together for 5 years and she did not have an engagement party or a shower bc they have what they need.i want to give them a little extra something for the wedding gift bc i dropped the ball and didn't send them an engagement gift, even though i wanted to. do i just give them more and leave it at that? do i write a note in card explaining? do i give them a check for the wedding and something else (they have a HM registry)? what would you do?