I will be going on my honeymoon at the end of april to rome and cortona can someone tell me about cortona?

we will be there for 2 nights ,3 days and are staying at the relais villa baldelli-anyone been there? tell me everything- should we go somewhere else we don't want to travel too far from rome but want relaxation and romance- but not boredom! Thanks! I am open to any suggestions, tips, advice!