I would say continue on until you can't. No harm in giving your children some more good memories as long as you're comfortable.
I'd agree with this ^^^^^ !
Freshman Class of 2012
M-49 W-42 1D-10 T 10 YEARS M 9 YEARS EA/MLC 07/2010 Separation 28/05/2012 PA confirmed 31/07/12 W Asked for D 31/07/12 D on and off the table since then