what can I tell him when he asks

ok well heres what happened well I had broke up wit ma boyfriend we been going for 4 month and when I did everyone said he got reall upset and strted crying so I went back with him becouse I realised I still like him the reason I broke up with him is becouse my feelings werent that strong 4 him and I told my friend I didint wanne go wit him so she just went ahead and told him but we worked things out and I told him I didint love him but that I like him

so I got back with him and I dont know when his around me I feel wiered and my cousind told me he thinks I dont wanne be with him so she told me his gonne ask me why im like that when his around me so his gonne ask so he told me 2 call him as soon as posible becouse he has 2 talk 2 me

I already noe whta his gonne ask me his gonne ask why do I seem like I dont wanne be with him so yeah

and I need help what can I tell him