I've lost a bit of weight - not huge amounts but enough that people I know have noticed it. Some very kind and well-meaning friends have mentioned it and complimented me. Nothing like 'OH MY GOD YOU'RE SO THIN' (because I'm not) but more 'Oh, you've lost weight, haven't you?!'
This is lovely and I appreciate it but I get so embarrassed. I cringe inside and I have no idea how to respond. I just say 'thanks' and change the subject. Is this normal or am I being weird? 
I'm not a socially awkward / anxious person normally. Does anyone else get this?
NB Please don't interpret this as a stealth boast or anything. It isn't.