Harvest stocks straight into deep water and allow them to condition preferably overnight.
I use a dark cool shed with the door open, this allows any insects to escape back into the garden before I come to arrange with the flowers.
A cool kitchen or bathroom with an open window will also work well.
Insects including the dreaded Pollen Beetle dislike being indoors.
Frazzled Flowers
Searing can help revive dehydrated blooms.