You are permitted, nay, encouraged to come back as many times as you like.
EXAMPLES FROM THE CORPUS
The administration explains these frustrations as understandable, nay inevitable, given the difficulties of transition.
The horses waded in blood up to their knees, nay up to the bridle.
You are permitted, nay encouraged, to come back as many times as your appetite permits.
1[sentence adverb] literary used when you are adding something to emphasize what you have just said: a bright – nay, a blinding light2old use used to say no: Nay, lad. It’s not that bad.