A: I'm thinking of buying a bicycle. B: That sounds like a good idea. A: Yes, it would help me beat the car traffic. B: It would also save you a lot of gas money. A: I'm kind of scared though. B: Scared of what? A: I don't want to fall. B: As long as you practice you should be fine. A: Yes, but I could also get hit by a car. B: I think you will be okay. Just make sure to buy a helmet, too.