Quality is more important to them than quantity. Their feelings are quite sensitive to outside influences. You need to Romance them and again, move slowly. Remember that what you do for them is more important than how much. Ruggedness is their strength.
Quantity is more important than quality.
They are less likely to take things personally. Sex is more of a physical act than a romantic one. Expect little, if any foreplay. How much you do with them or for them is what counts. A person closer to your insulation will make for a more natural flow emotionally and a great sex life.