*** it-1 p. 641 Divorce ***
Sending Away Pagan Wives. Before the Israelites entered the Promised Land, they were told to form no marriage alliances with its pagan inhabitants. (De 7:3, 4) Nonetheless, in the days of Ezra, the Jews had taken foreign wives, and in prayer to God, Ezra acknowledged their guiltiness in this matter. In response to his urging and in acknowledgment of their error, the men of Israel who had taken foreign wives sent them away “along with sons.”—Ezr 9:10–10:44.
However, Christians, coming from all different nations (Mt 28:19), were not to divorce mates who were not worshipers of Jehovah, nor was it even desirable for them to separate from such marriage partners, as Paul’s inspired counsel shows. (1Co 7:10-28)
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So scripturally what does your husband base his separation on? Nonsupport, abuse, preventing religious worship?
Has he been faithful sexually? If not, can you prove it? I would see if I can get a professional to watch his activities and document them.
I'm not familiar with the UK divorce laws but I would approach this as a non-jw legal situation but not give reason to be found guilty of adultery.
Divorce in the WTS tends to be difficult because the ones judging are men who have an antiquated concept of a woman's place in the world.
I'm glad to hear you have support from your mother.
Blondie