Help wd my cappy man

My cappy man n I hv been dating since last dec.We connected thru matrimony site.Gradually v fell 4 each other.Several times he himself told me dat he loves me n planning 2 marry within ds december.He talked 2 my parents also.He also played disappearing game smtms.@ first I ws confused bt later 4m ds board I cm 2 knw dat cappy ppl r lk dat.But everytime he came back n as usual behaved romantically.Whenever he starts disappearing I gv him time n dnt disturb him for 2 or 3 dys.Recently he told me dat he is a gloomy person inside n prefer 2 b detached 4 long time n whether m capable 2 deal wd his such nature.I said if he wants space certainly I'll gv him dat.Next day I msged him ,he replied a long after,our conversation went lk ds-

Him: Hi,Sorry for late reply,Super tired
me: ok u tk rest,m also leaving 4 party
Him: I had to run around today likes crazy
Ok,Have fun
me:Have ur dinner in time
I missed U
Him: Yup
me: m leaving,tata,muaaaaaaaaah
Him: Tata,
Won't be catching up tomorrow I guess,Coz i'll be going out too
me: ok,c u day after 2mrw den
Him: ....maybe,Let's see:-)
me: u'll b busy day after 2mrw?
Him: Probably...,Let's see
me: ohk........ping me wen u'll b free,wll w8 4 u
n u knw ......I love u
Him: Nah don't wait...
Yeah...
Whateva...
Tata....
me: anything wrong dear?
Him: Nah....gonna hv dinner.u go enjoy....I'm knackered
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The next day both of us ddnt contact each other.Day after I mean yesterday he msged me...

Him: Hi
me: hi
Him: Do u reckon we're really compatible?
me: I do,why are u saying so
Him: Hmm
me: I told u abt my feeling......n I hv been 100% honest
Him: I know...
me: den y asking
Him: I was referring to ur honesty
me: do u hv doubt abt me?anything bothering u or dd I hurt u anyway
Him: No doubt about u...Just wondering....
me: wondering what
Him: Anyway i'm very sleepy,Will talk to u tomorrow
me: ok
me: I missed u
Him: Goodnight
me: goodnight
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Today I msged him asking hws his day going on but no reply.Some facts of our relationsp are
* He had bad experiences in past n he vowed he wont leave me alone ever,nvr get angry n all,so dat our mrrg turns out successful.

*As a cappy he always dnt open his feelings 2 me but he accepted several times dat m d 1 in his life n he's gonna marry me only.

My qstns are

*After so many days wen he himself wanted 2 marry me within december ds year n several times told dat m d 1 in his life y he is acting lk ds?

*I hv heard cappy ppl r true lover n god FORBID if he's seeing other gal is he never gonna tell me !!AS u c d conversation v ddn't hv any argument.Wat happ 2 HIM?

*I love him very much n blv dat he loves me too n marry me.But under such situation wat sud I do?Did he get jealous or angry dat I went 2 party ? V chat thru gtalk generally......I kept online whole day thinking he may ping me but he has nt yet.

Plz gv me sm support n suggestion.I knw v can b wonderful couple!!Plz help me out!!