Hbv risk ?

Can you get hbv from sharing a drink with someone if they had a cut in their mouth or bleeding gums and some of the blood went into the glass. I also had chapped lips and sometimes get bleeding gums when brushing although i didnt see any blood in the glass ive read it only takes traces of blood to infect. Also if someone accidentally spit abit of saliva or food into my eye while talking to me and again they maybe had a cut or bleeding gums could that transmit it. Very confused as some sites say no risk and others say low risk its left me concerned and unsure what to do thanks in advance