I agree, the first half is better than the second. The part where she rode in the bus wearing a helmet was so…
Yes but the outlook of twins could be a concern, so hoping to be forewarned is not that impossible. I was a bit surprised about the running to get confirmation but Lu Xun saved it by his funny telling her he'd marry her over and over again in any city, country, they could drive or fly to... Even if not realistic (there are laws, as lawyers know, and even if one counts religious weddings, there are only a limited number of religions; plus it'd be damn expensive), it was sweetly romantic!