<human>: Can you provide a brief rundown of the text in within 3 sentences?

my girlfriends ex hits her up every day, the other night he texted her asking her to come over to his house and snuggle with her. she said no and explained that shes with me now (she left him for me, they have been together for 4 months and we have been together for 3) but still he is asking her to hang out and invited the both of us to one of his parties the other night which we did not go to.

i know a lot of people have sort of a "no exes." policy in a relationship. i dont know how i feel about it though

i'm worried that this guy will tear up the relationship i have with my girlfriend.  I'm also concerned at the fact that my girlfriend wants to try making a friendship with an ex who she very well knows still loves her... i don't give a damn about any of my exes, i don't get it. 

i trust her, but this guy is up to no good and is trying to manipulate her. i tell her how i feel about it but i dont want to make decisions for her. i don't want her to talk to him at all but i want her to understand that its because there's not a chance they will be able to hold a friendship.

 i don't want to have to see this all again in hindsight and feel pathetic about myself. is this a sign that she doesn't feel like im enough for her? should i contemplate leaving her?
<bot>: i don't understand why my girlfriend wants to be friends with her recent ex who she knows still loves her and i don't know if this is something i should leave her for.