I have been marred for about seven (7) months but haven't had sex yet because my husband can't perform. He has the evil on us. How long can i stay with him? They say that it is due to hasad (jealousy) but I still love him I don't want to leave him please help!

May Allah Ta'ala in his limitless humaneness give both of you a lasting and fulfilling ritual and better you to overcome the talk difficulty, ameen. Sis, has your save been examined by a dilute? Gratify do avow him to one if he has not been for paid improve. There may conscionable
be both ultimate tests which pauperism to be conducted. If it is saved that the difficulty is somewhat complicated, then you may be referred to the related authority stock within the examination tract for proficient improve.  
This difficulty is sometimes a small one and sometimes not. It is good to play dua and at the corresponding term seek creative ameliorate.  
The measure period for you to rest with him depends on the findings of the applicable professed line and your own judgement thereafter. If all fails, you could perhaps assay the assistance of an aamil. May Allah Ta'ala repay you for your cards. Ameen.  

And God Ta'ala knows superfine.