Help me, what's wrong with me?

It is a very real possibility that you have OCD. I love you is a very strong sentence and should only be said when you know you mean it. You can really like someone but to love someone takes a lot of trust and emotion. Not just lust. I understand that. The number thing is kinda strange, but I think I might have a similar problem. I am obsessed with the numbers 3, 7, and 21. Later on I found out that those were really powerful spiritual numbers. maybe you should look into it. you may find out something interesting about it.