My heart says the complete opposite!

I have been going on dates with a guy who is a lot of fun to be with. We always have a good time, and I know he has feelings for me. For some reason though, my heart says I shouldn’t be with him. I can’t explain why I feel this way, but it plays on my mind. I know he thinks I am stringing him along by now, but I can’t put my finger on this and think it may be easier to stop meeting him. If I don’t have a reason, am I being unfair or cruel to him? I don’t want to feel as if I am being unnecessarily critical because the truth is we had great times whenever we were together.
You don’t have to overthink this, nor do you need a clear explanation for why you don’t want to be with someone. The point of dating is to get to know someone and get a sense of whether you want them to be part of your life in some way. If you aren’t comfortable, you are under no obligation to commit to anything, nor should you because no relationship can begin with a sense of it being forced. Tell him you aren’t thinking about a relationship and move on. If he insists on an explanation, saying that you aren’t sure is reason enough. There is no element of cruelty involved if you are being honest about how you feel.

My boyfriend keeps gaining weight and I don’t know how to help him. It is affecting our relationship because he is depressed and any attempt to talk about it makes him defensive. What should I do?
You have to approach this with patience and give him time to open up about what is clearly a sensitive issue. Tell him that you’re there for him, ask if there is anything you can do, and allow him to drive this conversation. He may be more receptive when he starts to feel like he isn’t being judged.