Would you let your husband go away for 4 days?

A friend of mine relayed this question to me and I don’t know what to say as I’m not married so I can’t really relate. But her husband planned a trip to Vegas with his buddies and some of their wives for the super bowl - he left two days in advance and spent the next two days there with everyone he met up with.

I know she’s super busy with work and couldn’t make the time to go plus their kids but I think that if she really wanted to, she would have gone and made the effort. Would say this Is a healthy situation? Or martial problems at the door?