Hi erica,
Ditto what Designergal3 said a few posts back about the ladies putting on skits. Rush can be a stressful time for both sides especially if there are 5-10 parties/day or night. So both sides can lack a little enthusiam and appear to look tired at the end of the night.
Bottom line is do you feel comfortable with that house and how do the women relate to each other even though the maybe a little tired. Don't get too caught up in skits.
Good Luck!!
M