Main chick, side chick are both stupid to me. You would think that every woman wants to be the ONLY chick. Guys show you what you are to them by the way they treat you. With his girlfriend he treats her with respect, he cares about her feelings. He doesn't want to hurt her and lies to protect that. With a side chick he is honest and your feelings aren't something he keeps in mind.
He Is Bluntly Honest
If you are dating a guy who opens up to you he's interested in other women than he pretty much gave you what you needed to hear. Sweetie its obvious he's telling you that because he looks at you like a side chick. So he feels why not tell you, you shouldn't care.
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Not Bluntly Honest
You know you are his girlfriend and his only when he goes out of his way to protect your feelings. He may have a lock on his phone so you won't go in his phone and stroll through his contact list to see a ex girlfriends number. Sounds petty right? But its because your feelings towards him matters. He doesn't want you thinking anything to make yourself insecure.
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Friendly Verbal Interactions
If he prefers to you as his homie, or his friend is a hurtful but real sign. No kisses, no affection, but you two are actually sexual. He sees you as a friend with no connection. Sis he's just smashing because you are easy and convient. He probably has a main woman at home.
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Loving Verbal Interactions
When he asks how's your day. He misses you. He's affectionate towards you. He has feelings for you. Men who love their girlfriend are affectionate to their girl. He actually enjoys talking to you about those messy chicks at your job. He can see past your vagina into your mind.
He's doesn't open up to you
A guy who makes you his side chick are very secretive with you about where they work, where they live, sometimes their names. He doesn't want you coming by his home, or calling his job. Normally guys who see you as a sure thing won't follow you on social media. He has another somebody he doesn't want crossing paths into his secret extra activities with you.
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He told you everything
Girlfriends get to meet the family, friends, co workers even the pets. You probably have a key to his place and has his work number. A guy who is serious about you being a girlfriend looks forward to inviting you into his life. He knows he wants you, so he's ready to have you in his life.