Am i jus his call ?

i have been sleeping with this guy for about 2 months off and on. at first her was actin really cool and it was alwayz him wanting me and me playing hard to get well now i want him and he is actin all werid not the way he used to he dont text me or nothing he also has 4 kids and he is living with the babys mama but they r not together should i wait around or is he jus trying to get a laid ????