116 across refuse to acknowledge (6) -i---n
123 across oxygen-increasing exercises (8) -e---i-s
125 across farthest from the centre (7) m-t-e-e
13 down australasian songbird (5,5) -e-r- f-n-h (something kind of finch?)
14 down custom,habit (4) -o-t
Yes, sorry, the answer is WONT as in habit,. I was just saying I'm not sure whether the expression is "if this your want" (as in desire) or "if this is your wont" (as in habit)