The way to get someone to fall in love with you is to go in the hot tub that lets u play, cuddle, kiss, and wash. Take who you want you sim to marry on vacation and they will go in the hot tub.Press wash then cuddle but, make sure you relationship is over 50 with that person. then it will become higher and then they will sleep with you. When you get back home invite them over. Make a meal for them and then have sit on the couch. After click on them and press purpose. This cheat should work.