Ejaculation -tmi

My new boyfriend and I have had sex twice. I'm on birth control, we do not use condoms and he ejaculates inside me. However, with my ex, I could clearly tell he came because of all the fluid after.  With my new bf, there's no fluid coming out of me after at all, other than my own and you can tell the difference when you pee after. So I'm wondering, is he actually ejaculating or just faking it? Last night he said he came twice. I'm puzzled.