A meth lab can have a strong uncommonly sweet smell; not like a perfume, but something more like a lightly scented cleaning Meth labs emit noxious and extremely strong odors that are hard to cover up.
For example, she might be possessive about an object, not allowing anyone else to touch or use it. In a relationship context, possessiveness is when you do not want your partner to spend time with anyone else or even pursue interests outside the relationship. Merriam-Webster Dictionary defines the word as wanting all of someone's attention and love..
A possessive noun is a noun indicating ownership (or possession). Here are some examples of possessive nouns (shaded): The examples above are obviously about possession (i.e., ownership). They refer to the bone of the dog, the jacket of the man, and the mane of the lion. However, possessive nouns are not always so obviously about possession.