hey guys, i have gf n a best friend. n I told ma best friend that i would never betray,ignore n leave her. She's a really nice girl n her old friends betrayed n insulted her after they used her 4 their purpose.she told me that she loves me n want 2 be with me but i hv a gf that i love so much. So i don't wanna upset both of them i can't for sure accept it cuz i hv a lovely gf n also don't wanna make her sad cuz i promised n swore in z God's name that i won't leave her.what shall i do?