My I-485 was filed in February by my present company under EB-1 category. I am expecting my GC by about August. However due to some commitment to my friend, I need to join him next month. He has already filed for my H1-B which I will be getting next month. I am aware that after I join this new company, I stand to lose my present GC. I was wondering if this might affect my application of a GC the second time? I'd appreciate an answer.