How do you avoid from someone to fall in love with you?

Tell them that you have herpes. Haha...herpes... ppl will not believe it la... I am married and have 2 kids.. but no matter how I tell ppl how much I loved my husband... still same.....certain guys still try to make me falling in love with them.... eventhough how long will it take.... I am not proud of myself.. During single period also having the same incident....I thou after getting married.. this problem has been solved.. but..... :(