<human>: Give me the gist of the text in a nutshell

Back in November, I was really hitting it off with a girl I had initially met on Tinder. After about five weeks, it abruptly ended after her grandmother passed away. She said she was already feeling overwhelmed and stressed, and now she had to deal with family stuff as well. There wasn't any discussion of going on break, or saying we would meet up again when she figured things out, it was a pure breakup which ended very calmly.

In March, I found myself in a very similar situation. I was a rebound for a friend of a friend. Things were going well, and then about a month into our relationship, she said she needed some time to be single to "sort things out". I figured that was perfectly reasonable, so we stopped talking, but promised to stay friends. About a week later, she was back with her ex. The last time we talked on the phone, she said I "should have fought harder for her".

Obviously there are added details (which I'd be more than happy to share), but I'm mostly thinking about the parallels between these two break-ups. In both cases, I was extremely laid-back while getting dumped because I could not think of any better action to take. Obviously, in a more serious relationship, both people would work hard to understand the other person's needs and make things work, but it seems obsessive to be making demands after the first month. Or maybe that's just a very Nice-Guy, White Knight way of looking at these situations.

I've always had a "if you love someone, set them free" mentality about this kind of stuff, but given my track record, I'm starting to have some doubts. Even then, I have no idea how I could have approached those two situations differently. Thoughts?
<bot>: I think I am too passive when my relationships hit their first bump, and need a better approach when the word "break-up" is first suggested, even in a non-serious relationship.