"Dick" question TMI maybe

I know a lot of you are going to be like oh shes just bragging blah blah anyway i have only been with one person my ex, well I always though his penis was big etc well now im talking to this person and this person omg happens to have it way bigger im talking way bigger so now im scared Is it gonna hurt am I to tight idk what to do i did tell him joking oh this is going to be very difficult lol i have always have problem in been tight with my husband it bothers me almoat the whole five years we were together, i wanna make love to this guy and i know he does too but omg am I exaggerating a little ? What to do so it hurt so much ?