Advice

Okay so my fiancee and I are moving to a new place right now were living in a sleezy small buggy apartment with might I add my brother I let him stay with us because he had no where to go and now I quit my job because manager drama and were moving to a nice affordable townhome which is very nice looking and me and her want to be alone but we feel bad about leaving him because were leaving in the middle of this month now he is 27 might I add no job and smokes pot my lady absolutely does not get a long with him and he won't get a job because he thinks it will ruin his chance of having medical so should I just go like we planned or wait tell the end of the month idk how these blogs work but I just need some advice thanks.