Be My Guest

[hcjohnny]

Hi, Can the phrase "Be my guest" have another meaning other than "Go ahead", or "Do as you wish"?
For example, could it mean that I will buy/treat you food/meal in the following dialogue:
A: You look awful today. What happened?
B: I was blamed by my boss yesterday for something that was not my fault.
A: Don't make yourself so miserable. Let's go have a bite and just be my guest!

Thank you.

 

[sdgraham]

You mentioned the metaphorical use.

Let's go have a bite and just be my guest

It can be taken literally as well. (The person doing the inviting is going to pay the bill)

 

[keramus]

You mentioned the metaphorical use.

So according to what you said, what would a native speaker suggest?
For example:
I and my friend go to a tavern. Then, he says:
I left my wallet at home.
What should I say in this situation instead of be my guest?
(I want to say: Don't worry, I'll pay for the drinks.)

Thank you.

 

[Parla]

I want to say: Don't worry, I'll pay for the drinks.

That sounds fine to me.

 

[keramus]

Thank you.

 

[sdgraham]

You might also take a look at this existing discussion: drink on me

 

[keramus]

Thank you.