Since I bought this(see picture attached) the bike has screamed at me to ride it. Every day.
IMO, if one is firmly on the other side of the beginner stages of biking, that rider deserves the very best bike they can afford. I say the same thing about guitar players who have somewhat flattened the learning curve of playing the guitar. They deserve the best guitar that money can afford.
To the OP.... Go large. It will inspire you in many different ways. Guaranteed.