Complex sentence: This does not augur well with Bobby, who is very possessive and wants Arjun all to herself-and she makes up her mind that she will never permit anyone to come close to Arjun-for she has a gun, and knows how to use it.
Split into simpler sentences: This does not augur well with Bobby, who is very possessive and wants Arjun all to herself. She makes up her mind that she will never permit anyone to come close to Arjun--she has a gun and knows how to use it.