My crush talks too much about his ex...

They were like the most popular couple in college, and people keep throwing gossips and lies about their breakup.
So I get why he'd like to clarify stuff.
But he has been going on about how toxic she is and how it was shit for 2 hours.
( I'd rather be talking to him rather than bored to death with this breakup story over and over again, and relationship stories )
They were a thing for 3 years, and broke up like 6 months ago...

Like now I'm genuinely scared...He says he is interested in me and stuff...But I don't wanna be a rebound...