The problem is -- everything that I write is FOSS! So I can neither use your current license, nor a proprietary license I purchase from you! I am happy to pay

The problem is -- everything that I write is FOSS! So I can neither use your current license, nor a proprietary license I purchase from you! I am happy to pay for a FOSS license, but obviously that will then allow other people to use the code without paying for it, because of the nature of FOSS.