Is it wrong to date this guy?

Age is just a number. Why not tell them that he is more mature than most 13 or 14 yr, olds are. Anyway why would they care about who you like, or their ages..it's not their business. Just tell them that he is just a few months younger than you, ( whether he is or not ), they need not know. But, if it really matters to you what others are saying..just down play his age. Make his age closer to yours, like I said, by just a couple of months. And if they continue to be stupid..tell them off, and that you like who you choose, not them. God Bless