Can I date my ex-boyfriend's friend?

You can't... Don't date your friend's ex-boyfriend, or your friend will be your ex-friend. Everyone knows dating a friend's ex is taboo. Do you know how awkward it is to date a friend's ex? Unless your "friend" is just an acquaintance then you may date her ex-boyfriend. If you do date her ex-boyfriend, it is as though you're backstabbing her. Never do that man if you value the friendship of course. If you don't value it, then go ahead. (The ex also has to like you too of course...)

What is the best way to lose 20 pounds in 5 days?

Well, it might be possible to lose 20 lbs in 5 days, but I don't think you would still be alive by day 5 because you'd have to go like 5 days straight without food on top of doing cardio daily and that's not humanly possible. According to all the standards, the safest way

Why will Donald Trump never be impeached?

First, I wouldn't say never and, second, you need to understand the difference between impeachment and conviction. Impeachment happens when a majority of the House of Representatives votes and determines the president has committed

Can shy men flirt or take flirting hints?

That really depends on what type of guy he is, if he is only shy then he may either flirt back but in an 'unusual' way or he may not say anything for fear of embarrassing himself. If he is awkward also, like me, then he may mess up