How to aid for roses? I've been sick this former week with the flu :( This...

I've been sick this former week with the flu :( This morning my boyfriend come by and brought two (it's our lucky number) of my favorite flowers: pink roses! When he brought them, they were already within water and surrounded by a vase. How do I carefulness for them??

Warning: I do not have a green thumb! Lol :)
How can bring back I return with ride...
Answers:    I saw this on a show soon about charitable for roses. After a couple of days...trim off a couple of inches on stem...cut at angle...maintain doing this until you have zilch left but the rose and no stem...those can be placed within a bowl of water so they float...oh yes...move water respectively time you trim them.
I'm looking for the heading of a plant...
Drop an aspirin in the dampen it will make them ending longer