It was due to her own insecurity
As she felt worthless after infertility reveal
Part of it was armaans fault for letting her feel like that
After manipulating her into marriage, if he keeps a distance because his mom is angry which woman won’t have an insecurity. The problem with Armaan is not that he committed mistakes, the main problem is that he never regretted or realised that his acts caused a great amount of damage to others. The only time he regretted was when he realised how cruel was he to Abhira during their deal marriage and then he regretted a bit for leaving Ruhi at mandap. After these all his kaands are brushed under the carpet. After that, No regrets, No realisation and Instant forgiveness
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