Well you've got to take some of the blame for the kids Carole, it wasn't entirely down to someone else
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Lost motivation for what? Training, or the bike in general?
If it's bike in general then take a break and/or just ride purely socially for fun and take the stress out of riding to train (if that's what's happening?)
Are you training for any specific targets at the moment?
If you're training do you do it alone? If so then is there someone you could train with to spark off them.
If you're looking to get back in to the TTing (or even just improve fitness) then how about signing up for Jon C's TT series and have a kick start there, easy and laid back and you may find they help get back in to the training/racing naturally through the social side of them with the training benefit a freebie tagged on.