假如杰克是你的好朋友,你们两个有相同之处,也有不同之处.请结合下表内容写一篇80词的英语短文性格：outgoing,外表：cool

Jack is my friend.We have lots of things in common,for example we both like playing basketball,we both like model cars,we both like traveling,etc.However there're also some different areas,like character and appearance.Jack looks very cool,hen he doesn't smile,people will think that he is hard to approach.However when he starts to talk,you will feel he is actually an outgoing person.He is always friendly to the others.He is also very polite and gentleman.People like to go to him when they are sad or have trouble.They'd like to listen to his advice.I don't know how we two are together.However we two are the best friends.