The Idea Stealer

At the moment I am trying to design my wedding invitations. I must tell you the somewhat irritating story of how this came to be.
Tyler (my fiance) does this thing where, when I have a really great idea, he doesn't like it. A few months later he will bring up the exact same idea like he just came up with it and say how amazing it is. Hmmm. For example, last year we were talking about names that we liked for our possible future children. I mentioned that I love the name Daniel. Tyler said that he didn't like that name at all. About 6 months later we were having the same conversation and when we reached the part where we were discussing boys names, he said "what about Daniel?" I was like, "are you serious? You finally decided that you like it?" Tyler says, "what do you mean? I've always liked that name." The conversation went on, and I finally gave in because, whether it was my idea or his I was getting the name that I liked.
When Tyler and I first started planning our wedding, I suggested using this website http://www.mixbook.com/ to make our invitations. All I have to do is design the invite and pay 26 cents per print out. Super easy, super cheap, and not time consuming at all. Tyler didn't like it, because one of his friends had done the same thing and he didn't want to copy him. So, I went out and bought all of the supplies to make my own invitations which was quite expensive and was going to take a very long time to do. I was talking to Tyler the other day about what he wanted our invitations to look like from the supplies I had bought and he says, "Well, what about doing those invitations online like so-and-so did for their graduation invitations?" The graduation invitations were the same as his friends wedding invitations which were the same as the very first idea I had for making invitations 4 months ago. I didn't even bother arguing. I just returned all of the supplies I bought and am now very easily designing my wedding invitations.
Do you see how this is irritating? I hope so.