Oodles (Noun) – A great quantity

source- http://www.merriam-webster.com/dictionary/oodles

“We’re approaching Pacific St. again- (wish I had a longer ride)” was a typical sign-off, accompanied by  endearments: “Oodles of love and about 7 little kisses””.

This sentence is said to display the affection between Alfred and Lucy during their exchange of letters