The other day when my boyfriend & I were having sex I felt like a warm sensation go off in me. We didn't use a condom but I thought nothing of it. Today I told him my stomach felt funny. As if I was getting a period feeling. But I already had one this month. The first thing he said was "does it feel like a pregnancy cramp or period cramp" that was weird because that was the first thing he said.. usually he's like "aw baby I'm sorry, what can I do" but instead he asks if I think im pregnant???? Should I think anything of this?? If it was cum that I felt I wouldn't know because never has happened in me before.