Would you go out with your ex?

okk me and my ex broke up cuz she had to go to another skool while i stayed at my skool and well we were okk until her ex bf..the guy b4 me started talking to her again and so i guess she broke up with me to get with him i aint sure though and well they went out for like 3months but dey got in sum problems and stuff so it didnt work out and dey left each other and about a month ago we started talking a lot more again and a lot of my gurl friends telling me to hook up with her again and i was like yea i might and i know she was flirting with other guys cuz shes single and alot of guys asked her out but she said no to all of dem and my home gurl went and asked her if she still had feelings for me and said she does but now i want to ask her out cuz ima go to the same skool next week but my homie sayin not to cuz shes been being a b**ch so wat should i do listen to my homie or dont and ask her out??and we did go out for 6months and never cheated took it like real serious so wat i do?