My friend will give me a guitar.

Hehe, if you are familiar with your friends, then your friends will always mention it to your family, and then their family must know you well. What kind of mentality is it? Actually, it's not that much trouble What kind of mentality should we treat our elders with? Of course, you should respect and appreciate your elders. Just bring a small gift when you go to show your courtesy and gratitude. Of course, remember the help your friends give you. In fact, friends are like this. Give help when you need it.