It could be smoking, since my grandpa had the same thing happen to him until he quit.
The first three and the last one are proper etiquette because they are more polite and a nicer way of asking and saying what she likes. We should do this my way and I like all my ideas better can come across as self centered and rude. The last option is a better way of expressing what you like.
its an STD that causes warts on your body
hope this helps :)
