Thought this might entertain some of you - if you're gonna participate just approach with a sense of humor. Have you ever met someone who is like 20 years old and you ask how long they've been together and they say like "12 years" and you start questioning whether you understand how time works?
I made up a little game in my head where I do "real years" vs. time years. Go through and put your own if you want! Some of you with kids may end up being together longer than you're alive. 
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Actual relationship: 9 years 10 months
"Real years" Calculation: 7 years 4 months
Pre-High school graduation years [0 years] x 0 = 0
Post-high school / in college years [0 years] x .25 = 0
Dating years but not living together [5 years] x .5 = 2 years 6 months
Living together, but no kids [4 years 10 months] x 1 = 4 years 10 months
Living together, with kids [0 years] x [3 x # kids] = 0
