I do this. The main problem I've found is that the individuals are overly grateful and ashamed of having needed the assistance. It frays the friendship more than a little bit; it's not so much that it becomes the breaking point, but it weakens our ability to treat each other as equals, because, and this is the important point:

Because I know they needed the help, and they know I know. This makes a significant difference to how people interact. One of the nice things about basic income is that, if I were depending on it for my livelihood, I would not have to tell anyone.

I would be allowed to keep my dignity.