Is it permissible for a husband to give a gift to his wife and not to the rest of his heirs?

He mistreats and ignores his wife’s mother

Man enjoying intimacy with his wife via the internet

She does not enjoy intercourse but she is hiding that from her husband

He tells her to shake hands with men and threatens to divorce her if she does not do it

She swore to leave her husband – what is the ruling on that?

Her mother approved of the fiancé then she rejected him. Is she sinning if she marries him?

If he has intercourse but does not ejaculate, ghusl is still required

Should she ask for a divorce from her husband who does not pray regularly and does not give her her rights?

She wants to help her fiancé with regard to marriage but her siblings say no