Thanks lsst! I will be at my mil's tomorrow but will take some more pictures Monday. Mine is 7 years old. It is an unattractive shrub most of the year so I have it planted in with some other shrubs and not as a specimen. I also heavily prune it for arrangements each year.
Japanese beetles probably do eat some leaves but again, it's in an unobtrusive area of the yard so I don't care.

Some years it gets little white caterpillars that really eat up the leaves but it hasn't ever effected the next years bloom. I did buy it in bloom and it is highly fragrant.
I just love it though!