The Plummer come on to me 😳

How can I put this I'm still in shock I went to school with this guy I never hung out with him but I new him as my friend had a big crush on him an we sheard some classes,
Well my boiler is playing up so I what's app him to see if he could come look at it I got he's number of a mutual friend he's bin here b4 to unblock my shower an to sirvice my boiler b4 an I always sign off a text with a X it's just a habit he also text back with a X at the end to wen he sent 1 bk, my husband was at work my 2 kids were at school and my baby was a sleep wen he got here, he was asking about my husband and talking about wen we was at school and how our friends turn out just a nomal covo and he said he used to have a crush on me at school I went red 😳 with embarrassment he lend in to kiss I stopped him I said no he's got a gf Iv got a husband, he said they will never no it be how secret i asked him to leave but then I told him to do my boiler first as he took it apart I dunno wether to tell the husband or not or just brush it under the carpet my husband will hit him I no for 100% he will👊🏼 😏 he's got to come back out in 3/4 day an I will be here alone again if my sister or friend dnt come over wot do u girls (guys rekon)  tell him or not!! half of me is saying just unnecessary drama I never kissed him he tryed he's luck but then the other half is saying I feel bad  for not letting my husband no 🤔😔