Fears for Hailey Bieber over ‘loose cannon’ Justin

He appeared to debunk rumours of marital woes when he shared a black and white picture of his wife Hailey, hours after his Instagram account briefly unfollowed her.But Justin Bieber's marriage is seemingly far from idyllic, with the pair apparently going days at a time without talking due to his refusal to listen to her concerns about his well being.The tensions are believed to have prompted calls from Hailey's friends to leave the musician, 30, with his ‘unacceptable' behaviour raising concern.‘Hailey's been struggling with Justin almost since the start of the marriage,' an insider told DailyMail.com exclusively. ‘She loves him…