puzzle
ACROSS
1 West German capital, once
5 Silent assent
8 Online birthday greeting
13 Wicked, as instincts
14 Kitchenware brand
15 Key without sharps or flats
16 Patron of stone bridge builders?
18 Win-win
19 Most narcissistic
21 "Oh, really?"
22 Most favorably
25 Patron of dermatologists?
27 Scary sound
28 Incoming flight info
30 Country in a Springsteen title, briefly
31 Pittsburgh-to-Baltimore dir.
32 Popcorn accompaniment, often
34 Omelet ingredient
36 Mini-___ (small stores)
38 "Thanks a million for all that help," and a theme hint
42 Goalies' face coverings
44 Slide down the slopes
45 Game cubes
48 Trojans of the NCAA
49 Nonverbal communication, for short?
52 What fills a sleeve
54 Yoga accessory
55 Patron of plane traffic controllers?
58 Wards off
60 It's at the end of a 52-Across
61 Freezer container
63 Yearning (for)
65 Patron of people writing with quill pens?
69 Chocolaty cereal
70 "Science Guy" Bill
71 French money
72 Contract conditions
73 Stale
74 Gush
DOWN 1 Pellets that are shot
2 Bit of horse food
3 Hush-hush org.
4 Chutzpah
5 Pitcher's aim?
6 Farm team
7 Prescribed amounts
8 Moody music genre
9 Tennis star Marin whose surname is a palindrome
10 "Later, maybe?"
11 Most optimistic
12 Gets ready to go out, maybe
15 Those opposed
17 24 cans of beer, often
20 Disco ___ ("The Simpsons" character)
22 Muscles below pecs
23 Also
24 Alternative to a metal detector
26 Novelist Hoag
29 Get older
33 Totally fine
35 Accelerator, informally
37 Also
39 One may rate an app
40 Reggae relative
41 Hung out?
42 Circle's center, in a variation of duck, duck, goose
43 Actor/dancer Fred
46 Hot Wheels toy
47 Visitors from afar, briefly
50 Gulps from a flask
51 D.C. fundraising org.
53 Unkind
56 It might get lost in translation
57 Binary type of question
59 Little ones
62 Texter's signoff
64 They're saved on cellphones: Abbr.
66 Lightweight boxer?
67 Metallic resource
68 Haul from behind
solution