>>>It wouldnt bother me a bit to lie to a heathen jihadi.<<<
There is no ‘taqiyya’ in Christianity.
Anyway, a Moslem will still cut your head off, but he’ll think you are no longer an infidel as he’ll expect you to immediately acknowledge Allaxnder.
Or, he’ll cut your head off thinking that you are a sniveling coward.
Or just do it because “he can” and not think about it at all!