Is my ex jealous of my new date?

left me 4 a girl he likes more,still likes me but not enuf 2 date, actd like we wer still datin, even kissin,huggin&txtin constantly. told him i hada date&hes all "good 4 u(: gtg ttyl" wich hes NVR done b4. ben ignorin me ever since. wudnt he wana tlk MORE if he wer jealous?