I asked my ex what does he want me for coz im not giving him ?

he knows i still love him but he has a gf and kids with her and i just have a partner with no kids but i still love him cant get over him been going on for 7 yrs now ive never cheated on my partner and never will ive told my ex that but i asked in the chat on fbook what do u want me for and he said he dont know yet im confused he no and understands i wnt give him so what does he want he told me he really really still likes me and wants to meet up again for chat weve already met up and had a chat which led to us kissing and i had to stop and go home i cant meet him again noway what does he want thats just it if it is for noway im not doing that i wont cheat on my partner i care about him too much but i know ppl i kissed my ex and i shldnt have i feel bad but i cant stop thinking about my ex ive tryed so many times before we are old friends we grew up from childhood then went out with each other we split coz he liked the girls he was a cheater and still is to his gf i told him go find one of ur other slags to shag he dont want to he wants me he said but hes told me he will never leave his gf or kids for me thats why else im confused help ppl