Guy freinds change in behaviour?

Gotta a guy freind, we hang out heaps and stay up all night talking. We pay for ourselveswhen we go out... I did develop feeling for him but even though he says he loves me it's never progress. He has a silly idea about not being worthy of love. Soo I decided to broaden my options. I mentioned to him I had been taliking to another guy. He suddenly wants to do stuff for me, painting my front fence, fixing stuff etc and insisted on paying for our ne t outing.. I'm abot baffled on this change in behaviour.

Guy freinds change in behaviour?
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