No, it's not. [ But he suffers a bit from that on occasion. That's why he's sticking to past tense — he meant it back then, about taking her home to his world, about wanting to marry her but he's not sure he can say the same now with a clear conscience. Not because he's changed his mind, but rather because everything else has. He wants to be 100% okay before he makes those promises again.
There is one thing he's certain of though. Slipping an arm around her shoulders, he tugs her closer. ]