曾持有F1，再持J2恐怕就会增加VO据你的理由?

thanks a lot. i still have Qs.

曾持有F1，再持J2恐怕就会增加VO据你的理由。--could you explain why? i finish study & want to accompany my hu*****and. no immigration intent.

在美国国内转就是时间长得很--is my status legal before get J-2 (I don' want to study from Sept., so i'll lose my F1 then)?