Its a bag where you can brag about your stuff, if you just want to brag, put your best stuff out, if you want to sell itemz you don't get money but people can buy stuff from your brag bag
Your question is not clear if you are asking motivation for, why and or what kind of people brag-rephrase.
Cause they try to hard and being "cool" and want to be the most popular thing ever. Just ignore it. It's silly to brag about having friends.
People often brag about their talent(s) because they feel challenged by someone listening or in the room, they like to tell people about their talents or they are full of themselves.
Men tend to brag about every aspect of sex, especially penis size. I tend to not believe people that brag about sex. The people I know who are happy with their penis size and amount of sex they get, tend to not talk about it. It is the insecure person who needs to brag to feel better about what he has.
Your good qualities, but I suggest not to brag and stay humble. Just wait and let the people praise you, this way you would feel better than bragging to people and expecting them for words of praise.
The past tense of 'brag' is bragged.
The past tense of "brag" is "bragged."
a Brag Bag is a bag where you can Brag about your items in the game.
They would brag about how much power they had.
It depends what kind of person you are, how people view you and what it is that you are "good at".
some famous people want to brag