I bought the HoMedics Brethe Air Revitalizer hoping that my boyfriend might be able to breathe better at night. I figured if he wasn't stuffed up and I wasn't listening to him breathe, maybe we could both rest better. We really like this product and it does what we wanted, he is sleeping much better and so am I. The scents are okay. The lavender scent didn't not come with my machine (though I wish it had), and we don't mind the lime, but the other scents remind me of cleaning products. Luckily you don't have to use them, and we typically don't at night. When we keep the air revitalizer in our...