Will a man change his mind about a relationship deadline if he falls in love?

emlaraine
I am in an exclusive relationship with a guy who intends to return home to India (for his mum who is searching for a wife) in September. I entered into this arrangement against my intentions of a long-term. I haven’t been able to shift the fear of becoming attached and falling in love only to become heartbroken in ten months through fault of my own. I entered this with optimistic hope of the future but he doesn’t view the future in the same way. He needs certainty and I’m willing to adapt and compromise.
He entered into this after he considered what I had said about never knowing the future and claimed that if the opportunity ever came up to fight for me he would. He reminds me every conversation that he’s returning home. It’s beginning to annoy me. Yesterday, he ‘officially claimed me’ to his friends - he considered this a big milestone. He is also a very emotional guy who has already claimed to miss me and vocalise it a lot.
I feel so conflicted because of the deadline. Is he using me to fulfil his needs? My family and friends keep saying to remain positive because he could fall in love and change his mind (I want this, but struggling and understand I shouldn’t believe this). Will he change his mind if he falls in love with me or will he cut me straight off because in his mind it’s a short-term casual thing and mum’s wishes come first?
Will a man change his mind about a relationship deadline if he falls in love?
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