This situation is very common in the workplace, but it depends on your colleagues. What's his personality and temper? He's easy to talk to, but it usually happens to male colleagues. In fact, this kind of problem is easy to solve, and I'm afraid it won't be so easy to deal with when I meet some girls who care more.
3, the girl's words may actually think more, of course, in general, you have to make it clear to him. Then, you'd better buy the same one and go to JD.COM. Or, just ask him how much, but in general, if you ask him how much.