Boyfriend prombles plz help me?

I told my bf of 5 weeks that i might be pregnant n i checked and it was negative right after that he jumped to the conculison i was cheating but i had right before we met n i told him dat i love him so ooooooo much n he said before this all happened he love me mre than n-ething is it possible that i hurt him? i dnt wnt to lose him ? what should i do?