Equations are Back
(Age2 - Age1) * 0.36 + Age1 = Optimal Marriage Age

Where,
Age1 = age you first started dating
Age2 = the maximum age you see yourself ever getting married

Try it yourself, feel free to use a spreadsheet
AgeMale... AgeFemale
24 ... 19
26 ... 20
28 ... 21
30 ... 22
32 ... 23
34 ... 24
36 ... 25
38 ... 26
40 ... 27
42 ... 28
44 ... 29
46 ... 30
48 ... 31
50 ... 32

- Doobs was 100% Correct @ 5:50 PM