I can't emphasize this idea enough. Getting involved with your collaborator's problems almost always distracts you from your own. That can be tempting. That can be a relief. But it usually leads to disaster.
Twyla TharpOne clear difference between art and commercial work is that commercial work is exploitive: the work may be high quality but the intention is to sell product or tickets. Art exists with or without ticket sales.
Twyla Tharp