I think you are very like me.
I think you are similar to me.
be similar to ...和...相象(相似)
楼主,你的意思是长相还是别的呢,如果是长相的话,可以采用look like,
即I think you look like me.
如果是别的话,
In my opinion, we just look the same.
如果是全部很像,可以在后面加一句
In my opinion, we just look the same at all points
I think you look like me very much
OR
I think you look after me very much
I think you look like me.
I think you like me very much.